Warbler walk
Wild River State Park
9-10 a.m. Saturday
The return of warblers to Minnesota is a big event for birders. Learn which warblers are found in the park. (651-583-2125, ext. 227, mndnr.gov)
Bluebell Festival
Carley State Park
10 a.m.-3 p.m. Saturday
Come celebrate the beauty of spring bluebells in abundance in Plainview, Minn. The activities include guided wildflower walks at noon and 2 p.m., trout fishing for kids at 10 a.m., and archery at noon. (1-507-312-2300, mndnr.gov)
Adventure hike
Interstate State Park
1-2:30 p.m. Saturday