Union Grove State Park, State park in Union County, South Dakota.
Union Grove State Park is a recreation area in Union County that spreads across forested lands and grassland surrounding Brule Creek. The park contains walking trails through these natural environments, along with facilities for camping and outdoor activities.
The site began in 1936 as a county-managed park featuring a dam on Brule Creek, reflecting local efforts to develop recreation areas. State management took over through a formal lease agreement in 1946, marking a shift in how the property was operated.
Bird watching draws visitors year-round, with cardinals, orioles, grosbeaks, and warblers appearing frequently throughout the grounds. Deer, turkeys, and beavers add to the wildlife viewing experience for those who spend time observing the natural surroundings.
The park is open from late May through late October and provides overnight camping options for visitors of varying needs. Planning visits during these months ensures access to all facilities and trails in good condition.
The park features dedicated horse camping with four specialized sites and a network of riding trails spanning several miles. This combination makes it one of the few parks in the area equipped for visitors traveling with horses.
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