RokuGPX: 日本の登山地図GPS

Plan before you climb. Design routes on detailed GSI-based topo maps with elevation profiles and GPS tracking. Offline maps keep you covered beyond cell range.

RokuGPX is a GPS hiking map app built for the mountains of Japan. ■ Original Hiking Map A vector map designed from the ground up for hiking in Japan — trails, boardwalks, bridges, mountain huts, water sources, and coastlines, with full English labels. 13 map sources available, including GSI (Geospatial Information Authority of Japan) maps and satellite imagery. ■ Offline Maps Download areas in advance and view maps without any signal. ■ GPS Recording Record your track with distance, elevation, and pace. Create photo waypoints along the way. ■ Route Planning Draw routes on the map with automatic distance, elevation gain, and time estimates adjusted to your pace. Organize routes and waypoints into Trips. ■ Cloud Sync Sync between iPhone and the web app (app.rokugpx.com). Requires iPhone with iOS 17.5 or later.