The mountain range offers moderate to strenuous trails.
The most popular peaks among climbers are Mount Tō (塔ノ岳) and Mount Ōyama (大山) (in the eastern part of the mountains), mainly due to their easier transportation access from Yabitsu Pass. However, the tallest of these mountains is Mount Hiru, which is 1,673 metres (5,489 ft). In comparison, Mount Tō is 1,491 m (4,891 ft) high and Mount Ōyama is 1,252 metres (4,108 ft) high. The western part is less often visited but offers the opportunity of river trekking or sawanobori (a form of mountaineering).
Climbers come from around Japan, and there has been a growing number of international climbers.
Fishing
Fishing is popular activity within the rivers of Tanzawa. Many types of fish can be caught such as trout and yamame.
Sites
The Tanzawa Mountains are most accessible by Kanagawa Route 70, which runs between Hadano and Miyagase. The highest point of the route is Yabitsu Pass, approximately 11 km from Hadano. Toward the middle of the route is Kiyokawa Village, which offers lodging, camping, and fishing, and has a trail-head for hiking the mountains. Campsites can be found along Route 70. Another place of interest is Lake Miyagase, which is man-made and filled with a dam.
Wildlife and flora
The landscape of the Tanzawa Mountains consists of rivers, streams, forests, mountains, valleys, and ridges. Like much of Japan, the moist climate allows for lush vegetation which offers habitats for a variety of wildlife.