Fall for families

Interstate State Park

Noon-4 p.m. Friday


Stop by the visitor center for ongoing scavenger hunts, crafts and self-guided activities. (651-465-5711; mndnr.gov.


Wild River mysteries

Wild River State Park

1-2:30 p.m. Friday


A naturalist will open a big bag of bones, and a game of crime scene investigation will commence. Determine where the bones originated and how they got there. You will also help solve the mystery of what owls have been eating as you scientifically analyze their pellets. (651-583-2125, ext. 227, mndnr.gov)


Afton State Park

9-10:30 a.m. Saturday


Whether you are just starting or have acquired a long list of species on bird-watching expeditions, share in this fun, recreational opportunity. (651-436-5391, mndnr.gov)

Fall art

Frontenac State Park

1-3 p.m. Saturday


Head to Frontenac, Minn., and meet local artist Katie Casci of Red Wing, who will showcase her nature-inspired works. There will be a variety of make-and-take craft projects. Also, learn how to identify trees by twigs, bark and buds, and get fall photography tips. (651-345-3401, mndnr.gov)

Geocaching for women

Fort Snelling State Park

10 a.m.-noon Saturday


Discover the fun of geocaching and how you can use a global positioning system (GPS) unit to find hidden treasures at Minnesota state parks and trails. Bring your own GPS unit or use a park-issued unit. Registration required; call 612-725-2724 to register. (mndnr.gov)

Glacial potholes

Interstate State Park

Noon-1 p.m. Sunday


Join the naturalist and explore the glacial pothole area for unique geologic formations. Also, get great, fall scenic overlooks. Meet at the visitor center. (651-465-5711, mndnr.gov)

Jay Cooke birthday

Jay Cooke State Park

1-2 p.m. Sunday


The park’s 100th birthday celebration continues with another event. Discover what has happened in the park over the past century during this presentation of historic photos and more. Refreshments will be served. Meet at the River Inn Interpretive Center. (1-218-384-4610, ext. 227; mndnr.gov)

Easy hike

Eastman Nature Center

1-3 p.m. Sunday


Head to Dayton and take a guided, leisurely two-mile hike. Children 17 years and younger must be accompanied by an adult. (763-694-7700; threeriversparks.org)