Women’s archery

Carver Park Reserve

10 a.m.-noon Saturday


Learn the basics of shooting safely and accurately. Shoot at stationary targets and from an elevated platform. Equipment provided. Cost is $7 and reservations are required. Call 763-559-6700 and reference activity 421501-00. This program is designed for women ages 14 and older. (threerivers­parks.org).

Songbirds course

Eastman Nature Center

9 a.m.-noon Saturday


Learn about songbirds that live along the Mississippi River. Certified banders will catch and release birds. Program is free. Drop in anytime. (threeriversparks.org)

Mountain bike races

Murphy-Hanrehan Park Reserve

9 a.m.-2 p.m. Sunday


Do you have the endurance and mental fortitude to battle 40 miles of single track? Compete individually or in teams of up to four riders. Each Menacing 40 consists of four 10-mile loops. Cost is $25 for individuals and $50 for teams that preregister. Call 763-559-6700 to preregister. This race is for ages 14 and older. (threeriversparks.org)


Archaeology festival

Whitewater State Park

10 a.m.-4 p.m. Saturday


Tours, archery, games and more, with a focus on the Whitewater River Valley. (1-507-932-3007, mndnr.gov)

Night sky

William O’Brien State Park

8-10:30 p.m. Saturday


Join amateur astronomer Kenny Bahmer as he takes you on a tour of the night sky. Meet at the visitor center. Includes indoor and outdoor activities. (651-433-0500, mndnr.gov)


Minnesota mushrooms

Lake Maria State Park

1-2 p.m. Sunday


Join Ron Spinosa from the Minnesota Mycological Society and learn to identify mushrooms. You’ll learn which mushrooms are safe for eating, when and where to find them, and how to prepare them. Freewill donation suggested. (1-763-878-2325, mndnr.gov)

Canoe with a naturalist

Silverwood Park

4:30-6 p.m. Sunday


Watch for wildlife, learn about water quality, and get a new perspective as the seasons and colors change. Cost is $10 and reservations are required. Call 763-559-6700 and reference activity 437811-27. This program is for ages 10 and older; children 17 years and younger must be accompanied by a registered adult. (threeriversparks.org)


Nordic walking

Luce Line State Trail

6-7:30 p.m. Thursday


Turn your walk into a total body workout. Wear comfortable walking shoes. Call 651-253-5465 to reserve trekking poles. (mndnr.gov)