Pond life through ice
Fort Snelling State Park
1-2 p.m. Saturday
Aquatic insects are everywhere during spring, summer and fall, but where are they in the winter? Dress for warmth and come learn how aquatic insects survive the cold when lakes are frozen over. Meet at the visitor center. (612-725-2724, mndnr.gov)
Winter Fest
Douglas State Trail
5-8 p.m. Saturday
Cap off a day of winter activities in Pine Island with a candlelight walk. Begin at the golf course and continue along the trail. Sponsored by the nonprofit Pine Island Image Committee. (507-356-4839, mndnr.gov)
St. Croix by candlelight
William O'Brien State Park
5-8 p.m. Saturday
Start at the visitor center, learn about winter constellations and make a constellation chart to take along on a walk. Then follow the flickering LED lights, looking for stars and listening for owls along the packed 2.5-mile trail. Finish back at the visitor center with hot apple cider and an opportunity to roast marshmallows. The event is organized by the Friends of William O'Brien State Park. (651-433-0500, mndnr.gov)
Ski lessons
French Regional Park
Skate basics, 9:30-11 a.m. Sunday; classic basics, noon-1:30 p.m. Sunday
In the skate session, learn efficient edging, gliding and control. Prior classic skiing experience recommended. Otherwise, a private lesson is encouraged. Cost is $25, or $41 with ski rental. This lesson is for ages 13 and older. Reference number 125052-02.
In the beginner classic ski lesson, learn balance, striding and gliding, stopping and starting. Lesson is meant for novice skiers and those wanting a review. Cost is $21, or $32 with ski rental. Reference number 125050-02. (threeriversparks.org)
Ice harvesting day
Richardson Nature Center
11 a.m.-3 p.m. Saturday
Head to Bloomington to learn about life before refrigerators. Meet ice harvesting historian Tim Graf and costumed intepreters from The Landing-Minnesota River Heritage Park. Cut blocks of ice with old-fashioned tools and do other ice-harvesting activities. (763-694-7676, threeriversÂparks.org)
Wednesday walks
Brown's Creek State Trail
1-2:30 p.m. Wednesday
Every Wednesday in February and March, get outside and discover what's happening along the trail. Meet at the trailhead in Stillwater. (651-231-6968, mndnr.gov)