State Park • MN

William O’Brien State Park is a scenic, river-bluff park in east-central Minnesota, known for its rolling hills, wooded ravines, and sweeping views of the Saint Croix River. Located just north of Stillwater, the park offers an accessible escape that blends elevation, water, and forest within easy reach of the Twin Cities.
The park’s landscape features glacially shaped hills, hardwood forests, open meadows, and a dramatic river valley carved by the Saint Croix. High overlooks provide broad views across the river, while interior valleys and shaded woods create a varied terrain that feels both open and intimate.
A well-developed trail system winds through William O’Brien State Park, offering routes that range from easy riverside walks to more demanding climbs over rolling hills. Trails connect overlooks, forest interiors, and open prairie areas, making elevation change and scenic variety a defining part of the hiking experience.
Recreation opportunities include hiking, camping, picnicking, paddling, fishing, and wildlife viewing. The Saint Croix River supports canoeing and kayaking, while open fields and forested trails provide space for year-round exploration. Winter brings cross-country skiing and snowshoeing across the park’s rolling terrain.
William O’Brien State Park is named for a Minnesota conservationist and civic leader who advocated for preserving scenic landscapes along the Saint Croix River. The park’s protection reflects early efforts to balance recreation, conservation, and public access within a rapidly growing region.
With its elevated views, river access, and varied terrain, William O’Brien State Park offers a dynamic and approachable outdoor experience. Ideal for day trips or relaxed overnight stays, the park delivers a strong sense of place shaped by hills, water, and open sky along one of Minnesota’s most scenic rivers.