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Is William O'Brien State Park open right now?

Q: Is William O'Brien State Park open right now?

As of October 14, 2026, William O'Brien State Park is partially closed. Trail, road, or area closures in effect — see the park's alert.

Minnesota State Park · MN

Partially closed

William O'Brien State Park is partially closed.

Why this statusTrail, road, or area closures in effect — see the park's alert.

Last checked Wed, 14 Oct 2026 13:00:58 GMT

View on dnr.state.mn.us ↗ ← Back to the map

William O'Brien State Park is a 1,520-acre (6.2 km2) state park of Minnesota, USA, along the St.

Type: Minnesota State Park
State: MN
Nearest town: near Marine-on-St. Croix

About William O'Brien State Park

William O'Brien State Park is a 1,520-acre (6.2 km2) state park of Minnesota, USA, along the St. Croix River. Its hiking trails traverse rolling glacial moraine, riparian zones, restored oak savanna, wooded areas and bogs. It is a popular place for birdwatching, picnics, camping, cross-country skiing, canoeing, fishing, and other typical outdoor recreational activities.

Read more on Wikipedia ↗ Text from Wikipedia, CC BY-SA.

Visitor info

Addressnear Marine-on-St. Croix

Websitewww.dnr.state.mn.us/state_parks/park.html?id=spk00283 ↗

ReviewsSee ratings & reviews on Google Maps ↗

Parks near here

Interstate State Park 13 mi
Wild River State Park 21 mi
Mississippi National River & Recreation Area 25 mi
Fort Snelling State Park 32 mi
Saint Croix National Scenic Riverway 38 mi
Frontenac State Park 53 mi

More in Minnesota

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How we read this status

We derive William O'Brien State Park's status from the park system's public alerts, refreshed hourly — this is our reading, not an official determination. As of the last check: Trail, road, or area closures in effect — see the park's alert. Full method: how we check park status.