State Park · Minnesota, United States

William O'Brien State Park

William O'Brien State Park is a state park in Minnesota, United States, covering 1,783 acres (722 ha), established in 1947.

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State Park · Minnesota, United States

No freely licensed photograph of this park is in our library yet — rather than borrow a picture of somewhere else, this profile leads with its verified facts.

Park facts

Park typeState Park
LocationWashington, Minnesota, United States
Area1,783 acres (722 ha)
Established1947
Coordinates45.2192° N, 92.7658° W
Managed byMinnesota state park system

Every fact above is taken from the sources listed below; anything no source states is left blank rather than guessed.

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. The park is located approximately two miles north of the town of Marine on St. Croix, Minnesota.

Description from the park's Wikipedia article (CC BY-SA), linked in the sources below.

Planning your visit

What to do

HikingFishingBoatingCampingCross-country skiingBirdwatching

Getting there

Nearest townMarine, Minnesota
Getting thereabout 2 miles north of Marine

Airports near this park

The airports a visitor would actually fly into, nearest first — each link opens its profile on our sister site AirportProfiles.

Parks nearby

More parks in Minnesota

Frequently asked questions

Where is William O'Brien State Park?

William O'Brien State Park is in Minnesota, United States (45.2192° N, 92.7658° W).

When was William O'Brien State Park established?

William O'Brien State Park was established in 1947, per the source listed at the foot of this page.

How big is William O'Brien State Park?

William O'Brien State Park covers 1,783 acres (722 ha).

How do I get to William O'Brien State Park?

The nearest town is Marine, Minnesota. about 2 miles north of Marine.

Sources