Bird walk

Gateway State Trail

7-8 a.m. Saturday

Meet at the parking lot where Hwy. 96 crosses the Gateway State Trail at Duluth Junction. Bring binoculars if you have them. You'll identify bird species using sight and sound. Contact robertbystrom1@gmail.com or call 651-439-3583 with questions. More info: www.mndnr.gov/ptcalendar.

Bird walk II

Lowry Nature Center

7:30-9:30 a.m. Saturday

Identify birds while hiking through different habitats. Bring your own binoculars. There will be pairs to borrow. Children 17 years and younger must be with a registered adult. Reservations required. More info: 763-694-7650 or www.threeriversparks.org.

Spring stroll

Interstate State Park

6:30-7:30 p.m. Saturday

Meet at the park office to take a one-mile naturalist-led walk to spot newly arrived birds and blooms. The walk will include some uneven terrain. More info: 651-465-5711 or www.mndnr.gov/ptcalendar.

Geocaching

William O'Brien State Park

10:30-noon Saturday

Learn basic GPS skills and then head out to find hidden caches. To register, call 651-433-0500. More info: www.mndnr.gov/ptcalendar.

Women's archery

Elm Creek Park Reserve

10 a.m.-noon Sunday

Learn from instructors 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 to make a reservation and reference activity number 221901-00. For ages 14 and older. More information: three riversparks. org.

Pioneer music

Whitewater State Park

3-5 p.m. Sunday

Hear recreations of the songs that echoed off the bluffs in the Whitewater Valley during the days of the pioneers. Park visitors along with bluegrass and old-time music players jam the third Sunday of each month. Meet at the amphitheater behind the visitor center. More info: 1-507-932-3007 or www.mndnr.gov/ptcalendar.