UpaDowna Climb Nights - 6-8 p.m., second Tuesday, CityRock, 21 N. Nevada Ave., free. Registration: upadowna.org/programs.
Pizzeria Rustica Cycling Club - 2 p.m. second Sundays, Pizzeria Rustica, 2527 W. Colorado Ave.; pizzeriarustica.com.
Garden of the Gods Visitor and Nature Center sponsored hikes - 1805 N. 30th St., free; 219-0104. - Get Fit in the Garden Wellness Walk, 9 a.m. Wednesdays. Register in person.
Bear Creek Nature Center hikes - 245 Bear Creek Road. Reservations: 520-6387. - Warm Hearts Hike, 6-7:30 p.m. Feb. 14, $4.
Nature programs at Fountain Creek Nature Center - 320 Peppergrass Lane, Fountain. Reservations: 520-6745. - 2's & 3's Outdoors - B is for Birds, for ages 2 and 3, 10-11:15 a.m. Thursday, $3. - Night Sky Program: What's Up Tonight & Native American Skies, 7-8:30 p.m. Friday, $4. - Family Nature Camp Day, 10 a.m.-2 p.m. Feb. 17, $30-$90. - Kritter Karavan, 10 a.m.-noon Feb. 24, $5.
Nature programs at Bear Creek Nature Center - 245 Bear Creek Road. Registration: 520-6387. - Some Flew Away but Who has Stayed? 10 a.m.-noon Saturday, $5. - Nature Explorers: Over & Under the Snow, for ages 4-5 with an adult, 10-11:30 a.m. Feb. 14 and 15, $3. - Little Wonders: Living Through Winter, for ages 2 and 3, 10-11:15 a.m. Feb. 21 and 22, $3. - Aiken Audubon Monthly Program: Insects, 7-8 p.m. Feb. 21, free.
Colorado Wolf and Wildlife Center - 4729 Twin Rocks Road, Divide; Reservations: 687-9742, wolfeducation.org. - Valentine's Day with the Wolves, 9-11 a.m. Sunday, $15-$30.
High Plains Snow Goose Festival - Lamar; highplainssnowgoose.com.
Elevate Your Game - With head guide for RIGS Fly Shop, Matt McCannel, 6 p.m., Trouts Denver, 1303 E. 6th Ave., Denver, call for cost; tinyurl.com/ybe4xf29.
Gallop in the Garden - 4-6 p.m. Thursdays, Garden of the Gods Park, 1805 N. 30th St. Registration: gardenofgods.com.
Colorado Running Co. - For a list of runs and events, go to corunco.com.
Mountain Post Running Club - 5K or 10K, 4-6 p.m. Wednesdays, Main PX, 6220 Martinez St., Fort Carson, free. Children, strollers and pets welcome; Kris Spiller, firstname.lastname@example.org.
Two Elks Runners Club - 5:30-7 p.m. Thursdays, Thunder and Buttons, upstairs, 2415 W. Colorado Ave. Run along midland trail; 447-9888, email@example.com or on Facebook.
Thursday Night Run Club - 6 p.m. Thursdays, Old Chicago's, 7115 Commerce Center Drive; 232-4656, facebook.com/TNRCCOSprings.
Muldooniacs Running Club - 5K or 10K, Wednesdays, Homestead Trail, meet between 6 p.m. and 6:30 p.m. at Jose Muldoons, 5710 S. Carefree Circle; 574-5673, josemuldoons.com.
Pikes Peak Road Runners - Go online for information, cost and registration: pprrun.org. - Winter Series III, 10 a.m. Saturday, El Pomar Youth Sports Park.
Bear Creek Nature Center - 245 Bear Creek Road. Registration: 520-6387. - Outdoor Adventure Gear: Snowboard Maintenance, 10 a.m.-12:30 p.m. Feb. 24, $15.
North Cheyenne Cañon Park - Volunteers are needed for the outdoor education programs at the Starsmore Visitor and Nature Center; Aaron Rogers, 385-6089, firstname.lastname@example.org.
Mueller State Park - 21045 Colorado 67, Divide, needs volunteers for naturalist programs, backcountry-trail maintenance, newsletter editing or work in the visitor center. Training is provided; 687-2366.
Colorado Wolf and Wildlife Center - Volunteers needed to work in the visitor center, grounds keeping, leading tours and more, 4729 Twin Rocks Road, Divide; 687-9742.
Listings are published on a space-available basis. Send information at least two weeks in advance: Email email@example.com.