Overview
Ōnuma Quasi-National Park offers a tranquil counterpoint to Japan's crowded cities, centered on a placid lake dotted with 126 islands. The park is one of Japan's Ramsar sites, recognized for its wetland importance, and provides easy access to hot springs, hiking trails, and outdoor activities without requiring extensive travel from Hakodate.
Day Trips · Nature · Trekking
Before you go
Activities
Hiking trails start near Onuma Koen station, with options ranging from 15-minute circuits to longer island-hopping routes. Paddle boats and row boats are available for lake exploration.
Connectivity
Tourist office at Onuma International Exchange Plaza provides English-language maps and information near JR Onuma Koen station.
Food
Limited food options within the park; consider bringing supplies. Local specialties include Jingisukan (mutton BBQ) and Onuma Dango (sweet rice dumplings).
Transport
Hakodate is the main gateway, with JR Hakodate Main Line trains serving Ōnuma and Ōnuma Koen stations. A branch line runs along the lake's southern shore.
