William O'Brien State Park

About

Located in Marine on St. Croix, William O'Brien State Park serves as a peaceful retreat just a short drive from the Twin Cities. This popular destination, which holds a 4.7/5 rating from over 1,300 reviews, is celebrated for its diverse landscape that transitions from riverside paths along the St. Croix to rolling prairie trails. Visitors often highlight the park’s well-maintained facilities and the variety of outdoor activities available, including hiking, fishing, and seasonal swimming. The park features wide, accessible trails that cater to all skill levels, making it a frequent choice for families and outdoor enthusiasts looking to explore the natural beauty of the region. Beyond its scenic hiking routes, the park offers extensive day-use areas equipped with picnic shelters, volleyball courts, and horseshoe pits. For those looking to stay longer, the campgrounds provide shaded, semi-secluded spots for both tent and RV camping. Whether guests are navigating the riverside loops, renting kayaks to explore the local waters, or simply enjoying the quiet of the woods, the park remains a reliable escape. With its blend of accessible recreation and serene, natural surroundings, William O'Brien State Park continues to be a staple for those seeking a refreshing day outdoors in Minnesota.

Reviews William O'Brien State Park

William O'Brien State Park is widely praised as a peaceful, well-maintained destination near the Twin Cities that offers a variety of scenic trails and camping options. While most visitors enjoy the natural beauty and recreational activities, some have noted issues with trail signage and occasional administrative frustrations.

Opening hours

Friday

8 AM–10 PM

Monday

8 AM–10 PM

Sunday

8 AM–10 PM

Tuesday

8 AM–10 PM

Saturday

8 AM–10 PM

Thursday

8 AM–10 PM

Wednesday

8 AM–10 PM

Contact

• 16821 O'Brien Trl N, Marine on St Croix, MN 55047
• (651) 539-4980
• www.dnr.state.mn.us/state_parks/william_obrien/index.html