William O Brien State Park Group Campground

Open — Open year-round for reservations. Some facilities including flush toilets, showers, and dump station are seasonal and typically unavailable during winter months. Vault toilets remain available during the off-season.

About

William O'Brien State Park Group Campground is located within a 1,520-acre state park along the scenic St. Croix River in Washington County, Minnesota. The park sits on rolling glacial moraine featuring diverse ecosystems including wooded hills, restored oak savanna, riparian zones, and wetlands. The group campground provides facilities for organized group camping with access to the park's extensive trail system and natural amenities. The park offers quality outdoor recreation just one hour from the Twin Cities, making it an accessible getaway for groups. Hiking trails traverse the park's varied terrain, and the St. Croix River provides opportunities for fishing and water activities. The park includes a visitor center and maintains year-round operations, though some facilities are seasonal. Winter visitors can enjoy groomed cross-country ski trails and snowshoeing opportunities. The park's location along the St. Croix National Scenic Riverway provides scenic views and diverse wildlife viewing opportunities. A Minnesota State Park permit is required in addition to camping fees.

Directions

From Marine on St. Croix, Minnesota, head north on Highway 95 for approximately 2 miles. The entrance to William O'Brien State Park will be on your right.

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