Park cleanup day

Lake Maria State Park

10 a.m.-3 p.m. Saturday


Help is needed with litter pickup, buckthorn removal, trail work and more. E-mail or call 763-878-2325 to register. (


Fort Snelling State Park, 10-11:30 a.m. Saturday


Parents and preschoolers will learn about frogs and toads through hands-on activities. (612-725-2724,

Bird migration hike

Itasca State Park, 12:30-4:30 p.m. Saturday


Take a 6½-mile hike with the park naturalists and search for birds. The hike will follow the North Country Trail and Eagle Scout Trail. Portions are strenuous. (1-218-699-7251,

Sounds of spring hike

Wild River State Park, 10-11:30 a.m. Sunday


Take a hike with a park naturalist and identify the spring sounds of nature. (651-583-2125 ext. 227,