Geocaching 101

Jay Cooke State Park

4-5 p.m. Friday

Learn how to search for caches with a global positioning system. Then, explore the park for hidden caches. GPS units available at the interpretive center. (1-218-673-7006, mndnr.gov)

Walking stick

Whitewater State Park

12:30-2 p.m. Saturday

Transform buckthorn, an invasive species, into a practical tool you can take home with you and learn how to stop the spread of invasive species when you're hiking and fishing. (1-507-932-3007, mndnr.gov)

Focus on turtles

Wild River State Park

2-3 p.m. Saturday

Take in a presentation about all of the native turtle species in Minnesota and Wisconsin. Children will get to hand-feed a large tortoise and feel the differences between five native species that also make an appearance. (651-583-2125, ext. 227, mndnr.gov).

Yoga near the river

Interstate State Park

8-9 a.m. Sunday

Start your day with gentle, restorative yoga along the banks of the St. Croix River. Meet at the park's main picnic area (campground end of the park). Bring a water bottle and yoga mat or towel if you have one. (651-465-5711, ext. 225, mndnr.gov)

Archery day

William O'Brien State Park

10 a.m.-noon Sunday

Certified archery instructors will be on hand to instruct, and bows and arrows will be provided. The program is designed for children age 8 and older, but beginners are welcome. Children age 15 and younger must be accompanied by an adult. (651-433-0500, mndnr.gov)

Fishing 101

Father Hennepin State Park

10 a.m.-noon Sunday

Learn all about fishing: Identify species, learn to cast, and more. Poles, bait and instructor provided. No fishing license is needed for Minnesota residents. Meet at the public boat access parking lot. (1-320-676-8763, mndnr.gov)

Family kayaking

Carver Park Reserve

1-3 p.m. Sunday

Learn kayaking safety and proper paddling techniques. Cost is $20. Make a reservation by Friday. Call 763-559-6700. This program is for ages 8 and older. Equipment provided. (threeriversparks.org)

Kayaking basics

Fish Lake Regional Park

6-9 p.m. Tuesday

Learn safety skills and proper paddling techniques with qualified instructors. Beginners and anyone who has never had formal instruction will benefit. Equipment provided. Cost is $50. Make a reservation by calling 763-559-6700. This program is for ages 14 and older. (threeriversparks.org)