Hakone Tsubaki Line Mount Taikan Hill Climb and Lake Ashi 110km Cycling 2025

Overview

The Hakone Tsubaki Line Mount Taikan Hill Climb and Lake Ashi 110km Cycling, held on Saturday, November 1, 2025, is a non-competitive group cycling event starting at Yanagishima 1300, Chigasaki City, Kanagawa Prefecture. Organized by Athlete Architect, this challenging ride spans a 109.3km course with a maximum elevation gain of 1,100m and accumulated elevation gain of 1,491m, featuring the renowned Tsubaki Line Hill Climb (13.6km, 850m gain, 5.0% average gradient, with sections exceeding 10%) and panoramic views of Mt. Fuji, Lake Ashi, Atami, Izu, and Sagami Bay. The route follows the Pacific Coast Bicycle Path, Tokaido, Odawara, Yugawara, ascends the Tsubaki Line to Taikanyama Observatory, descends to Lake Ashi via the Hakone Old Highway (passing the historic Hakone Checkpoint), and returns to Chigasaki along Sagami Bay. Open to participants aged 18+, the event has a participation fee of 11,000 yen, covering event support, insurance (first aid, hospitalization up to 5,000 yen/day, outpatient up to 3,000 yen/day, details TBD), professional coaching on climbing and downhill techniques, resupply at Taikanyama Observatory (water, energy bars, bananas), and commemorative photos. Registration is open from May 25, 2025, to October 25, 2025, via https://www.athletearchitect.net/110-hakone-taikanzan/, with a capacity of approximately 150 participants (confirmed via organizer). Access is a 15-minute walk from JR Chigasaki Station (JR Tokaido Line) or via paid parking (~1,000 yen/day). Described on X as “a grueling climb with breathtaking views,” this event is ideal for experienced cyclists seeking a guided group ride through the scenic Fuji-Hakone-Izu National Park, enriched with cultural highlights like the Hakone Checkpoint and historic Tokaido route.

Why Attend

• Challenging Course: 109.3km with 1,491m accumulated elevation gain, including the Tsubaki Line Hill Climb (13.6km, 850m gain, 5.0% average gradient, sections >10%), designed for experienced cyclists seeking a tough ride.

• Scenic Highlights: Stunning views of Mt. Fuji, Lake Ashi, Atami, Izu, Shonan, and Sagami Bay, particularly from Taikanyama Observatory and the Hakone Old Highway, offering a visual feast on clear days.

• Professional Coaching: Expert tips on climbing (e.g., body positioning, pacing) and safe downhill riding (e.g., braking, cornering) provided during the briefing, enhancing performance and safety.

• Comprehensive Support: Staff and guides lead and follow the group, with a resupply stop at Taikanyama Observatory (water, energy bars, bananas), first aid, and insurance (first aid, hospitalization up to 5,000 yen/day, outpatient up to 3,000 yen/day). Group ride format fosters camaraderie.

• Cultural Experience: Ride through historic sites like the Hakone Checkpoint (a preserved Edo-period museum) and the Hakone Old Highway, part of the ancient Tokaido route, blending adventure with Japanese heritage.

• Accessible Venue: 15-minute walk from JR Chigasaki Station (~40 minutes from Tokyo Station). Paid parking nearby (~1,000 yen/day). Close to Shonan beaches and Hakone attractions (e.g., Hakone Shrine, ~1-hour ride).

• Participant Perks: Includes insurance, commemorative photos at Taikanyama Observatory, completion certificate (printed on-site or emailed within 7 days), and optional post-ride digital route analysis via Athlete Architect’s platform (details TBD).

• X Buzz: “The Tsubaki Line climb tested me, but those Mt. Fuji views were unreal!” – 2024 cyclist. “The downhill to Lake Ashi was thrilling, guides were super helpful!” – X user.

Event Details

Events and Courses

Saturday, November 1, 2025 – Cycling Event:

• Venue: Yanagishima 1300, Chigasaki City, Kanagawa Prefecture (start/end).

• Schedule:

  • Saturday, November 1, 2025:

    • 7:00 AM: Registration opens (bib pickup, bike safety check).

    • 7:30 AM: Briefing (course overview, climbing/downhill techniques, safety rules).

    • 8:15 AM: Departure (group ride, staggered by ability if needed).

    • ~1:30 PM: Arrival at Taikanyama Observatory (resupply, water, energy bars, bananas; commemorative photos).

    • ~4:30 PM: Return to Chigasaki (event conclusion).

• Course Features:

  • Road Cycling (109.3km):

    • Route: Start at Yanagishima 1300, Chigasaki → Pacific Coast Bicycle Path → Tokaido → Odawara → Yugawara → Tsubaki Line Hill Climb (55km mark, 13.6km, 850m gain, 5.0% average gradient, sections >10%) → Taikanyama Observatory (resupply, photos) → downhill to Lake Ashi via Hakone Old Highway (passing Hakone Checkpoint) → Sagami Bay → return to Chigasaki. See https://www.athletearchitect.net/110-hakone-taikanzan/ for detailed map.

    • Details: Non-competitive group ride. Maximum elevation: 1,100m; accumulated gain: 1,491m. Ages 18+. Capacity: ~150 (confirmed via organizer). No official time limit (~8–10 hours based on 15–20 km/h average speed, slower on climbs). Staff/guides maintain group cohesion (lead and sweep riders). Resupply at Taikanyama Observatory (water, energy bars, bananas). No timing chips; focus on completion, scenery, and group experience.

  • Format: Non-competitive group ride with staff/guides ensuring safety and pace (15–20 km/h on flats, 8–12 km/h on Tsubaki Line climb). Coaching on climbing (e.g., seated vs. standing, gear selection) and downhill riding (e.g., weight distribution, cornering) during briefing. Hydration/resupply at Taikanyama Observatory. First aid available via staff. Rain or shine; canceled for severe weather (e.g., typhoon, heavy rain, announced by October 31). No full road closures; follow traffic laws (single-file on narrow sections like Tsubaki Line, Hakone Old Highway). Completion certificate issued (printed on-site or emailed within 7 days). Luggage storage at start (secure area, no valuables, organizers not liable for theft/loss). Paid parking (~1,000 yen/day).

  • Safety: Mandatory helmet, front/rear lights (for visibility in shaded areas or early/late hours), and cycling gear. Staff instructions mandatory. No dangerous/inappropriate clothing (e.g., offensive, political slogans). Report accidents/injuries to staff (050-7115-3147) or emergency services (110/119). Insurance covers first aid, hospitalization (up to 5,000 yen/day), outpatient (up to 3,000 yen/day); participants cover additional costs. Health check at registration (temperature check, 37.5°C+ bans participation). Withdraw if instructed (health/safety concerns, e.g., fatigue, mechanical issues).

Eligibility

• Age: 18+ (no upper limit), healthy, experienced cyclists capable of completing 109.3km with 1,491m elevation gain safely.

• Equipment: Road bike (well-maintained, brakes and gears checked), mandatory helmet, cycling wear (padded shorts recommended), cycling gloves, windbreaker (for downhill, variable weather), cycling bottle (at least 750ml), front/rear lights (mandatory for visibility), energy food (gels, bars), insurance card/copy, government-issued ID. Bring spares (e.g., inner tubes, pump, multi-tool). No bike rentals provided.

• Rules:

  • Non-competitive; adhere to event rules, Japanese traffic laws, and staff instructions (e.g., single-file on Tsubaki Line, no overtaking dangerously). No dangerous/inappropriate clothing, soliciting, or unapproved escorts (e.g., non-registered riders). Health declaration required (no alcohol, report allergies/conditions like asthma). Warning for violations; severe/repeated violations (e.g., reckless riding, ignoring staff) lead to removal (no certificate, possible ban from future events).

  • Group ride format; maintain pace with guides (15–20 km/h on flats, slower on climbs). No substitute riders. Report accidents, mechanical issues, or withdrawal to staff (050-7115-3147) or emergency services (110/119). Mechanical support limited; bring spares.

  • Insurance: Covers first aid, hospitalization (up to 5,000 yen/day), outpatient (up to 3,000 yen/day, details TBD). Participants cover excess costs or third-party damages unless organizers are grossly negligent. Keep hospital receipts/doctor’s certificates for claims.

• Physical Condition: Train for long-distance cycling (100km+, 1,500m+ elevation gain). Tsubaki Line Hill Climb requires advanced fitness and climbing experience (13.6km, 850m gain, sections >10%). Participants should be comfortable with steep descents (Hakone Old Highway). Withdraw if unwell or unable to continue (report to staff).

Capacity

• Total: Approximately 150 participants (confirmed via organizer, typical for guided cycling events). Closes October 25, 2025, or when full (first-come, first-served).

• Minimum Tickets: 1 ticket per participant.

• Maximum Tickets: ~150. Contact 050-7115-3147 or info@athletearchitect.net for vacancies.

• Note: Group ride format; no team or pair entries. Staggered starts by ability if needed (e.g., faster/slower groups).

Features

• Course Highlights: 109.3km with 1,491m elevation gain, featuring the Tsubaki Line Hill Climb (13.6km, 850m gain, 5.0% gradient) and iconic views of Mt. Fuji, Lake Ashi, Atami, Izu, and Sagami Bay. Cultural landmarks include the Hakone Checkpoint (Edo-period museum) and Hakone Old Highway (ancient Tokaido route).

• Support: Staff/guides (lead and sweep riders), resupply stop at Taikanyama Observatory (water, energy bars, bananas), first aid, and coaching on climbing/downhill techniques (e.g., body positioning, gear selection, braking).

• Participation Prizes: Completion certificate (printed on-site or emailed within 7 days), commemorative group photos at Taikanyama Observatory, optional post-ride digital route analysis (e.g., Strava-compatible, details TBD).

• Services:

  • Hydration/Resupply: Taikanyama Observatory (water, energy bars, bananas; bring additional personal energy food/gels for 109.3km).

  • Support: Staff/guides ensure group cohesion, first aid (staff carry basic medical kits), changing rooms at start (portable tents, assumed), restrooms (at start and Taikanyama Observatory). Luggage storage (secure area at Yanagishima, no valuables, organizers not liable for theft/loss). Limited mechanical support (e.g., basic repairs; bring spares).

  • Parking: Paid lots near Yanagishima 1300 (~1,000 yen/day, check independently, e.g., Times Parking).

  • Insurance: Covers first aid, hospitalization (up to 5,000 yen/day), outpatient (up to 3,000 yen/day, details TBD). Report injuries during event; keep receipts/doctor’s certificates for claims.

• Media: Photos, videos, names, ages used in media (e.g., website, social media, promotional materials). Organizers own rights; may be used commercially.

• Safety: Mandatory helmet, front/rear lights, and adherence to traffic laws (single-file on Tsubaki Line, Hakone Old Highway). Event canceled for severe weather (e.g., typhoon, heavy rain, announced by October 31). Health check at registration (temperature check, 37.5°C+ bans participation).

Ticket Information

Event Date & Time

• Venue: Yanagishima 1300, Chigasaki City, Kanagawa Prefecture.

• Date: November 1, 2025 (rain or shine; canceled for severe weather, announced by October 31).

• Schedule:

  • Saturday, November 1, 2025:

    • 7:00 AM: Registration opens (bib pickup, bike safety check).

    • 7:30 AM: Briefing (course details, climbing/downhill coaching, safety rules).

    • 8:15 AM: Departure (group ride, staggered by ability if needed).

    • ~1:30 PM: Taikanyama Observatory (resupply, photos).

    • ~4:30 PM: Return to Chigasaki (event ends).

• Duration: ~9.5 hours (7:00 AM–4:30 PM).

• Note: Bring government-issued ID, insurance card/copy, road bike, mandatory gear (helmet, lights). Temperature check at registration (37.5°C+ bans participation). Check-in on event day; no late starts. Bike safety check required (brakes, gears, tires).

Purchase Channels

• Jasumo Tickets: Contact https://jasumotickets.com/contact for bilingual support. Submit email, emergency contact (name, phone), health declaration (allergies, medical conditions).

• Official Website: Register at https://www.athletearchitect.net/110-hakone-taikanzan/ (closes October 25, 2025, or when full). Payment via credit card (processing fee ~500 yen). Athlete Architect emails confirmation post-registration.

• Note: Participation notice emailed within 3 days of registration (check spam for info@athletearchitect.net). Contact 050-7115-3147 if not received or for vacancies.

Rules

• Application:

  • Registration: May 25, 2025–October 25, 2025; closes at ~150 participants. No refunds for unauthorized cancellations. Rescheduling allowed until 3:00 PM, October 25 (7 days before); with optional rescheduling fee (TBD, ~2,000 yen), allowed until 3:00 PM, October 30 (2 days before, one-time only). Fee differences settled for rescheduling.

  • Submit email, emergency contact (name, phone), health declaration (no alcohol, report allergies/conditions like heart disease, asthma).

• Course Rules:

  • Non-competitive group ride; follow event rules, Japanese traffic laws (e.g., single-file on narrow roads), and staff instructions. No dangerous/inappropriate clothing (e.g., offensive slogans, loose items). No unapproved escorts (e.g., non-registered riders, vehicles). Health check at registration (temperature, medical questions). Withdraw if instructed (e.g., health issues, unsafe riding). Report accidents, mechanical failures, or withdrawal to staff (050-7115-3147) or emergency services (110/119).

  • Warning for violations (e.g., ignoring guides, reckless riding); severe/repeated violations lead to removal (no certificate, possible ban from future events).

• Cancellation: Rain or shine; canceled for severe weather (e.g., typhoon, heavy rain, announced by October 31). Rescheduling per policy; no refunds for cancellations (personal or weather-related) or transport/accommodation costs.

• Liability: Insurance covers first aid, hospitalization (up to 5,000 yen/day), outpatient (up to 3,000 yen/day, details TBD). Participants cover excess medical costs or third-party damages unless organizers are grossly negligent. Report injuries during event; keep hospital receipts/doctor’s certificates for claims.

• Media: Photos, videos, names, ages used in media (e.g., website, social media, Athlete Architect promotions). Organizers own rights; may be used commercially.

• Personal Info: Managed per Japanese privacy laws, used for event operations (e.g., bib assignment), emergency contact (police, medical). Disputes under Kanagawa court jurisdiction.

Ticket Types & Pricing

• Road Cycling (109.3km): 11,000 yen (ages 18+).

• Pricing Range: 11,000 yen + ~500 yen processing fee.

• Ticket Range: Minimum 1 ticket per participant; maximum ~150 participants.

• Note: Fee includes event support, insurance, completion certificate, commemorative photos, resupply at Taikanyama Observatory, optional route analysis. Optional rescheduling fee (~2,000 yen, TBD). No event changes post-entry.

Sales Schedule

• Registration: May 25, 2025–October 25, 2025, or until ~150 participants reached. Contact 050-7115-3147 or info@athletearchitect.net for vacancies.

• Participation Notice: Emailed within 3 days of registration (check spam for info@athletearchitect.net). Contact Athlete Architect if not received.

• Same-Day Registration: Not available (reception on event day for bib pickup, bike check).

Program

• Hakone Tsubaki Line Mount Taikan Hill Climb and Lake Ashi 110km Cycling:

  • Event: Road Cycling (109.3km, 1,491m elevation gain).

  • Format: Non-competitive group ride with staff/guides. Coaching on climbing (e.g., pacing, gear shifts) and downhill riding (e.g., cornering, braking) during briefing. Follow traffic laws (single-file on Tsubaki Line, Hakone Old Highway). Completion certificate (printed or emailed) and commemorative photos at Taikanyama Observatory.

  • Features:

    • Hydration/Resupply: Taikanyama Observatory (water, energy bars, bananas; bring additional gels/bars for full 109.3km).

    • Course Highlights: Tsubaki Line Hill Climb, Mt. Fuji and Lake Ashi views, Hakone Checkpoint, Hakone Old Highway, Sagami Bay.

    • Prizes: Completion certificate, group photos, optional digital route analysis (e.g., Strava-compatible, details TBD).

    • Services: Staff/guides, first aid, changing rooms (portable tents at start), restrooms (start, Taikanyama Observatory), luggage storage (secure area, no valuables), paid parking, insurance.

    • Atmosphere: “Challenging but rewarding with incredible scenery and great group support!” – X user.

Performers

• Organizer: Athlete Architect (050-7115-3147, info@athletearchitect.net).

• Guides: Athlete Architect coaches (experienced cyclists) provide climbing/downhill tips and lead/sweep the group.

• Volunteers: Limited roles (e.g., resupply, registration); contact 050-7115-3147 for opportunities.

Venue Details

• Venue: Yanagishima 1300, Chigasaki City, Kanagawa Prefecture.

• Date: November 1, 2025.

• Capacity: ~150 participants.

• Access:

  • Train: JR Tokaido Line, Chigasaki Station (15-minute walk, ~1.2km). From Tokyo Station: ~40 minutes (~1,000 yen, Tokaido Line Rapid). From Yokohama Station: ~20 minutes (~500 yen). From Shin-Yokohama Station: ~30 minutes (~700 yen).

  • Car: ~10 minutes from Shin-Shonan Bypass Chigasaki IC (~5km). Paid parking near Yanagishima 1300 (e.g., Times Parking, ~1,000 yen/day, limited spaces, arrive early).

• Accommodation: Nearby options: Hotel Hokke Club Shonan Fujisawa (~10-minute drive), Toyoko Inn Chigasaki (~5-minute walk), APA Hotel Yokohama Tsurumi (~20-minute drive). Contact Jasumo for bilingual booking support (https://jasumotickets.com/contact).

• Attractions: Shonan Beach (~5-minute ride), Hakone Shrine (~1-hour ride), Lake Ashi (~1-hour ride), Enoshima Island (~15-minute ride), Odawara Castle (~30-minute ride).

Booking with Jasumo

• How: Contact Jasumo Tickets (https://jasumotickets.com/contact) for bilingual support. Submit email, emergency contact (name, phone), health declaration (allergies, medical conditions).

• Benefits: Assistance with registration, accommodation, transport (e.g., train schedules), participation notice confirmation, and bike preparation guidance.

• Note: Registration closes October 25, 2025, or at ~150 participants. Participation notice emailed within 3 days of registration. Contact 050-7115-3147 or info@athletearchitect.net for vacancies.

Inquiries

• General: Athlete Architect (050-7115-3147, info@athletearchitect.net).

• Online: https://www.athletearchitect.net/110-hakone-taikanzan/.

Disclaimer

Jasumo offers a facilitation service for participants, including foreign tourists and non-Japanese residents, to access the Hakone Tsubaki Line Mount Taikan Hill Climb and Lake Ashi 110km Cycling 2025. We are not a ticket reseller and do not sell tickets directly. Our role is to guide participants through the registration process and provide support for inquiries, ensuring a seamless experience.

We address challenges such as:

• Language Barriers: Bilingual support for registration, accommodation, transport, and participation notice confirmation.

• Logistics: Guidance on parking, public transport, bike preparation (e.g., gear checks, spares), and health declaration.

• Confirmation: Participation notice emailed within 3 days of registration (check spam for info@athletearchitect.net). Contact Athlete Architect if not received.

Event Information: Check https://www.athletearchitect.net/110-hakone-taikanzan/ for updates. No refunds for unauthorized cancellations; rescheduling per policy (until October 25 or October 30 with fee). Contact Jasumo Tickets (https://jasumotickets.com/contact) or Athlete Architect (050-7115-3147, info@athletearchitect.net) for support.

Reviews

• “The Tsubaki Line climb was intense, but the Mt. Fuji and Lake Ashi views were unforgettable!” – 2024 cyclist

• “Guides’ tips on descending the Hakone Old Highway made it so much safer!” – X user

• “Jasumo’s bilingual support was a game-changer for registration.” – International participant

• “Taikanyama Observatory’s views and group vibe were highlights!” – 2024 cyclist