Hakone Tsubaki Line Daigansen Hill Climb 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 thrill of cycling along Japan's stunning Pacific coastline and historic routes on November 3, 2026. This challenging ride begins in Shonan Manazuru and follows the scenic Tokaido route through Odawara and Yuigahama before ascending to Okuyugawa Dam via the iconic Tsubaki Line Road. The climb from the 55km mark is a grueling 13.6 kilometers with an elevation gain of 850 meters, featuring constant steep sections averaging at least 10 percent gradient.
As you conquer this formidable ascent, enjoy panoramic views of Izu and Shonan's picturesque landscapes. After reaching Okuyugawa Dam for the summit finish complete with a photo opportunity and refreshments, take on the exhilarating descent towards Lake Ashi. The route then winds through Hakone Checkpoint before descending along the historic Old Tokaido Road to the coast.
This event offers cyclists an unforgettable mix of challenging climbs and thrilling descents, all set against some of Japan's most beautiful scenery. With a total distance of 109.3 kilometers and over 1491 meters of elevation gain, it promises both physical and visual rewards for every participant.
Cyclists will receive valuable tips on climbing techniques and safe descending strategies to help them navigate this demanding course with confidence.