Learn orienteering

French Regional Park

Noon-3 p.m. Saturday

Learn map and compass skills from Minnesota Orienteering Club experts through classroom instruction, skill stations geared for beginners, guided practice courses, and an official "sprint" course with electronic punching. Courses close at 3 p.m. Preregistration cost is $13; $18 on Saturday. (763-694-7750, threerivers­parks.org)

Tap to table

Lake Bemidji State Park

1-3:30 p.m. Saturday

Learn from naturalist John Fylppa how maple sap is processed. A similar program is Sunday. Dress for the weather and wear good boots. (1-218-308-2300; mndnr.gov/lakebemidji)

• Maplewood State Park, 10 a.m.-3 p.m. Saturday: Program is at the Friends of Maplewood sugar shack. At the conclusion, try a taste. (1-218-863-8383; mndnr.gov/maplewood)

Yoga at the park

Lake Bemidji State Park

9-10 a.m. Sunday

All levels welcomed to practice fundamental yoga poses taught by a certified fitness instructor. Bring mat if you have one; some available at park. (1-218-308-2300; mndnr.gov/lakebemidji)

For stargazers

Glacial Lakes State Park

8-10 p.m. Saturday

Join the Glacial Lakes Astronomers and Stargazers Society on the first Saturday of the month, at dusk, through October. Look through a variety of telescopes and binoculars. Group members will answer questions. Meet at the Horse Camp at dusk. No equipment is necessary, but binoculars or telescopes are encouraged. In case of inclement weather, contact the park or visit the group's website at glaciallakesastro.com. (1-320-239-2860)

Birds, nests, eggs

Eastman Nature Center

1-3 p.m. Sunday

Match eggs to the nest of the bird architects. Design a nest and put it to the test. Drop in anytime. (763-694-7700, threeriversparks.org)