Arbor Day hike
Blue Mounds State Park
4-5 p.m. Friday
• Meet at the visitor center and learn about types of trees, leaf shape, bark and more. The walk will include hilly terrain. (1-507-283-6050; mndnr.gov/bluemounds)
Spring hike
Itasca State Park
1-2:30 p.m. Friday
• Naturalist-led walk. (1-218-699-7251; mndnr.gov/itasca)
Phenology walk
Jay Cooke State Park
10:30 a.m.-noon Saturday
• What's chirping, blooming and changing. (1-218-673-7006; mndnr.gov/jaycooke)
Wildflower garden
Whitewater State Park
1-3 p.m. Saturday
• Learn the significance of native plants and how to create your own prairie wildflower garden. (1-507-312-2300; mndnr.gov/whitewater)
All Gooseberry
Gooseberry Falls State Park
11 a.m.-3 p.m. Sat.-Sun.
• Earn badges for prizes by getting out to explore the park using a new app, Gooseberry Falls Go. (218-595-7100; mndnr.gov/gooseberry)
Family archery
11 a.m.-3 p.m. Sunday
Cedar Lake Farm Regional Park
• Learn basics of shooting. Cost is $10. Call 763-559-6700 by Friday. (threeriversparks.org)