Hakone Tsubaki Line Ooka Mountain Hillclimb and Ashinoko Pottering 110km (箱根椿ライン大観山ヒルクライムと芦ノ湖ポタリング110km)

Experience the breathtaking beauty and challenging terrain of Japan's Pacific coast with the 2026 Shonan-Matsuyama Cycling Classic. This epic ride begins in Shonan-Minamigase, tracing the coastline along the Tokaido route through scenic towns like Odawara and Yuigahama before ascending to Matsuyama Line Daikan Mountain at the 55km mark.
The climb up the Matsuyama Line features a grueling 13.6km stretch with an elevation gain of 850 meters, averaging a steep 5% gradient throughout, including sections that reach over 10%. Cyclists will be rewarded with stunning views of both Izu and Shonan as they conquer this demanding hill climb.
After reaching the summit at Daikan Mountain's observation deck for some scenic photos and refueling, riders descend back down to Lake Ashinoko. The route then winds through Hakone's historic checkpoints before tackling a thrilling descent along the old Tokaido road known as "Kamikaze Downhill." Riders will enjoy panoramic views of Sagami Bay as they complete their journey back to Shonan-Minamigase.
This event offers invaluable tips on climbing techniques and safe downhill riding, making it an unforgettable blend of challenge and scenic beauty.