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Local favourite river spot · San Juan, Washington

Boulder Island

Boulder Island is a river spot in San Juan, Washington.

Boulder Island: crowds and conditions

Typical pattern: usually quiet; mostly local visitors. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this river spot: Water flowing well · Low flow / trickle · Dry, no water · Entry closed.

Best time to visit Boulder Island

Season: September to February; boat services pause in floods.

Crowd: Usually quiet; mostly local visitors.

Typical week: Mon quiet · Tue quiet · Wed quiet · Thu quiet · Fri light · Sat light · Sun light.

How to reach Boulder Island — distance from nearby cities

    Coordinates: 48.43204, -122.80215. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Boulder Island

    See everything within a day’s drive of Boulder Island

    Other rivers, islands & mangroves near Boulder Island

    All rivers, islands & mangroves in Washington

    Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Are boats running today?

    No visitor has reported the boating status for Boulder Island yet. Typical pattern: usually quiet; mostly local visitors.

    What is the best time to visit Boulder Island?

    September to February; boat services pause in floods. Usually quiet; mostly local visitors.

    What are the places to visit near Boulder Island?

    Nearby: Castle Island (river spot, 2 km), Burrows Island Lighthouse (beach, 10 km), Lopez Island (river spot, 11 km), Bowman Bay (beach, 14 km), Cattle Point Lighthouse (beach, 15 km), Spencer Spit State Park (sanctuary, 16 km).