Fall color bike ride

Glendalough State Park, 1-3 p.m. Saturday


A naturalist will lead the way and discuss some of the unique history of the park, as well as some of the natural wonders of the fall season. Bring a bike, helmet and water bottle. (1-218-864-0110, mndnr.gov)

Leaf Days

Maplewood State Park, 10 a.m.-4 p.m. Saturday and Sunday


Enjoy activities organized by the Friends of Maplewood State Park. Meet at the Josh Hanson Memorial Picnic Shelter. Allow time for a hike to the top of Hallaway Hill for a magnificent view. (1-218-863-8383, mndnr.gov)

Itasca park hike

Itasca State Park, 12:30-3 p.m. Saturday


Celebrate the Friends of Itasca’s annual Ozawindib Walk with a hike along the North Country National Scenic Trail. The 2.5-mile hike can be challenging to the overlook at Tim-Don-Del Hill (elevation 1,750 feet). Hikers there will stand among majestic red pines with views of hardwoods in the direction of the Smokey Hills 18 miles south. Dress for the weather and wear sturdy shoes or boots that can get wet and muddy. Bring a water bottle, energy snack, sunscreen and insect repellent. Meet at the North Country Trail parking area at the south entrance at 12:30 p.m. to carpool to the trail head. (1-218-699-7251)

Scavenger hunt

Wild River State Park,11 a.m.-noon Saturday


Come to the visitor center and learn a few tricks for fall photos, then head into the park to find autumn’s clues with one of the park’s cameras or your own. You will even get to develop one picture to take with you. (651-583-2125, ext. 227, mndnr.gov)

Fall color canoe

Lowry Nature Center, 10 a.m.-noon Saturday


Take in beautiful fall colors on a guided canoe tour on Lake Auburn. Cost is $8, and reservations are required. Call 763-559-6700 and reference activity #411361-00. The program is for ages 5 and older. (threeriversparks.org)

Helping prairies

Murphy-Hanrehan Park Reserve, – 1:30 p.m. Saturday


Help restore the prairie by collecting native wildflower seeds. Volunteers increase the amount and diversity of seed planted annually in more than 1,200 acres of restored prairie managed by Three Rivers. More information and registration at 763-559-6700.

Women on trails

Fort Snelling State Park, 1-3 p.m. Sunday


Meet at the visitor center for a brief presentation for this program for women. Then, hit the trails to see fall colors and other signs of the season. (612-725-2724, mndnr.gov)