From the Kanetsu Expressway
From Hanazono IC, take Route 140 through Chichibu City to the Otaki area (about 80 minutes).
10 kilometers from Roadside Station "Otaki Onsen" (About 20 minutes).

From Chuo Expressway
From Katsunuma IC to Karizaka Tunnel on Route 140 (About 45 minutes).
16 kilometers from the Karizaka Tunnel to the entrance of the Irikawa Valley Yugure Campsite (About 25 minutes)