Put your trekking boots on and hike the trails of Rokkokukenzan. Amazing vistas and a sense of accomplishment will be your rewards!
You'll soon discover why this Ofuna steep landmass is a hit with travelers. If you're looking for other things to keep you busy, Hakkeijima Sea Paradise, Enoshima Aquarium, and Zushi Beach are in this area as well. They won't take very long to get to from Rokkokukenzan.