裏岩菅山 car park
Start your 裏岩菅山 adventure on the Skreppa app. Trailhead parking fills early on fair‑weather weekends. Arrive before sunrise; some access roads close in winter.
Start your 裏岩菅山 adventure on the Skreppa app. Trailhead parking fills early on fair‑weather weekends. Arrive before sunrise; some access roads close in winter.