Skijoring clinic

French Regional Park, 9 a.m.-noon Saturday

Stay active this winter by cross-country skiing with your dog. Learn about equipment, commands, training techniques and trail etiquette. Ask questions of experienced skijorers, discuss trails, and go on a guided, on-foot training session with your dog. Skijor Now staff fit harnesses and belts for those who want to buy equipment. Dogs should be friendly around others and must stay in their owner's vehicle the first 30-45 minutes of the program. Children 17 years and younger must be accompanied by an adult. Equipment provided. (763-694-7750, threeriversparks.org)

Skins and skulls

Fort Snelling State Park, 1-2 p.m. Saturday

All animals are uniquely adapted for their survival. Learn about the adaptations of various animals that live in the park by examining their skins and skulls. Meet in the visitor center. (612-725-2724, mndnr.gov)

Investigating seeds

Minnesota Valley National Wildlife Refuge, 10-11 a.m. Saturday

Head to the visitor center for this program. Read stories, explore outside, make crafts and investigate the different textures, colors and sizes of seeds. The program is for children ages 3-5 with an adult. (952-854-5900)

River walk

Coon Rapids Dam Regional Park, 9-10 a.m. Saturday

Start your morning on a guided hike along the Mississippi River. Children 17 years and younger must be accompanied by an adult. (763-694-7790, threeriversparks.org)

Mountain biking at night

Lake Rebecca single-track trail, 5:30-8:30 p.m. Saturday

Twist and turn through 10.5 miles of trail illuminated by required mounted bike lights. Awards and door prizes awarded. Time trial format for racing. Registration begins at 5:30 p.m. This race was originally scheduled for Oct. 29. (763-694-7860)

Crisp hike

Whitewater State Park, Noon-3 p.m. Saturday

Take a 3½-mile hike to some spectacular views that have remained hidden from even the most-seasoned visitor. Warm clothes, sturdy shoes and cameras are recommended. (1-507-932-3007, ext. 229, mndnr.gov)

Geology of the metro

12:30 a.m.-2:30 p.m. Sunday, Lowry Nature Center

Learn how Minnesota's landscape was formed and examine how water influences the land. Study glaciers, rocks and soil. Great learning opportunity for Master Naturalist volunteers. Reservations required. Cost is $5. (763-694-7650)