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William O'Brien State Park

16821 O'Brien Trail North
Marine on Saint Croix, MN 55047

651-433-0500

A great "get away" park only one hour from the Twin Cities, William O'Brien provides a beautiful setting for quality recreation along the banks of the St. Croix River. Hiking trails offer quiet exploration of the park's rolling, wooded hills. For anglers, the channels of the St. Croix have northerns, walleye, bass and trout. Ideal for canoeing, the river is also a migratory pathway that offers visitors an exciting diversity of sights and sounds. In the winter, snowshoeing, skiing and camping attract enthusiasts.

Park Highlights:Camping/FishingCanoeing on the St. CroixCross-country SkiingNaturalist ProgramsBird WatchingOak Savanna RestorationCampingDrive-in Sites 114 SitesSome are located in shaded areas, other are in open areas.Electric Sites 71 SitesLocated in both campgrounds.RV Length Limit 60 FeetLength is measured from front of tow vehicle to rear of vehicle being towed.Wheelchair Accessible Sites 3 SitesLocated near the restrooms.Group Camp 4 SitesSites are rustic with running water and vault toilets.Riverside Camp - accommodates up to 50 people. Tents only.Site 1, 2, and 3 - accommodates up to 35 people. Tents only.TrailsSummerWheelchair Accessible Riverside Trail - 1.5 milesThe Riverside Trail is a fully accessible 1.5 mile loop that begins at the picnic grounds. It is self-guided with interpretive signs located along the trail. There are rest areas along the trail at approximately every 900 feet, and some of the rest areas have benches.Self Guided Riverside Trail - 1.5 milesTrail is accessible. Trail begins at picnic grounds.Hiking 12 MilesTrails range from easy to difficult. Trails wind through wooded areas, wetlands, and restored oak savanna areas.Paved Bike 1.5 MilesWinterCross Country Skiing 12 MilesTrails are groomed for classic cross-country skiing and skate skiing. Trails range from easy to difficult.Skate-Skiing 12 MilesSnowshoe On Riverside Trail OnlySnowshoers are allowed only on the Riverside Trail. No snowshoeing is allowed west of the Visitor Center.Recreation FacilitiesSummerPicnic Area 1 Picnic AreaWheelchair accessiblePicnic Shelter Open Shelters2 open shelters in the main picnic area and 1 behind the beach area on Lake Alice. All shelters have electricity. Large open shelter in picnic area contains a fireplace and is wheelchair accessible. Shelters can be rented by calling the park.Volleyball 2 LocationsOne volleyball area is near the swimming beach. The other volleyball area is near the ball field. Pick up equipment at park office.Horseshoes 4 Horseshoe PitsLocated near the swimming beach and ball field. Pick up equipment at park office.Golf Course Within 10 milesMany near park.Other BallfieldField has a backstop.WinterWarming House Visitor CenterWaterFishing Pier Wheelchair accessibleFishing tackle is available on loan from the park office.Swimming Beach Within the parkBeach located on Lake Alice. No lifeguard on duty.Boat Access Boat LaunchBoat launch available on the St. Croix River.

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