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;

Spring hike

Itasca State Park

1-2:30 p.m. Friday

• Naturalist-led walk. (1-218-699-7251;

Phenology walk

Jay Cooke State Park

10:30 a.m.-noon Saturday

• What’s chirping, blooming and changing. (1-218-673-7006;

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;

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;

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. (