Shiga-yama Trail Trails condition: Closed Trail Level Challenging Distance 12.6km Elevation gain 300m Estimated Time 5h30m Type of trail - On a mountain scarred by vast lava flows, you can see ponds formed from craters. From near the summit of Ura-Shiga-yama, views extend over Onuma-ike Pond, Moto-ike Pond, and Shijuhachi-ike Wetland. Route Map See enlarged mapGPS date download Photo Gallery View of Onuma Pond from Mt. Okushiga Shijuhachi Pond Oninosumo Pond Trails List Search Trails conditionWalkableAccess restrictedClosedTrail LevelEasyModerateChallengingDistanceLess than 2km2km - 4km4km - 6km6km - 8kmMore than 8kmElevation gainLess than 100m100m - 300m300m - 500mMore than 500mEstimated TimeLess than 1h1h - 2h2h - 3hMore than 3hType of trailForest Therapy Certification Course Search Reset Trails List