YAMATOMO（ヤマトモ）Mountains, closer
than ever.

Meet hiking partners, find your next peak,
and read the mountains deeply—all in one app.

01 — Groups

Walk with the right
people.

Online circles for hikers, organized by purpose, region, and skill level. Day-hike focused, tent-camping specialists, women-only — you'll always find a community that fits you.

Browse groups

02 — Activities

Turn "next weekend?"
into a plan.

"Want to head to Tanzawa next weekend?" — recruit and join date-specific hikes and mountain events. Find companions quickly and turn your plans into action.

Find activities

03 — Discover

Pick your next peak,
by the numbers.

Search Japan's 100 Famous Mountains and peaks nationwide by elevation, difficulty, season, and region. Choose your next summit intuitively from photos and data.