The biggest mountain in the town
Mt. Kintoki-yama
Approach:
Take the "Izu-hakone-tetsuto" Daiyu-zan Line from Odawara to Daiyu-zan (25 min.). Then, take a local bus to "Ashigara-man-youkouen"(30 min.) From there, about 1.5 hours walk to the top.
Good luck!