THURSDAY, SEPTEMBER 20
Land through the Lens — Travel and landscape photography with Dan Ballard. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Sleeping on the Summits: Colorado 14er High Bivys — With Jon Kedrowski, Ph.D., and meteorologist Chris Tomer. 8 p.m. Neptune Mountaineering, 633 South Broadway, Boulder, 303-499-8866.
SATURDAY, SEPTEMBER 22
Bicycle Village Group Ride. 9:30-11:30 a.m. 2100 28th St., Boulder, www.bicyclevillage.com.
Circle of Stones Hike — A Woman’s Journey to Herself, with volunteer naturalist Louise Alderson. 9:30 a.m. Location given at registration, Boulder County open space, 303- 678-6214.
Girls Trek Too — Flip Your Trip Workshop with Cara Lopez Lee. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
Temple Grandin School Scholarship Shuffle 5K Run/Walk. 9 a.m. Waneka Lake Park, Lafayette, www.tgsshuffle.us.
Up Close and Personal with Grasses — A hike with naturalist and artist Jane Larson. 9 a.m. – 12 p.m. Location provided at registration, Boulder Open Space and Mountain Parks, 303-413-7657.
Volunteer Clean-up at Valmont Bike Park. 9 a.m. Valmont Bike Park, Valmont and Airport roads, Boulder, 303-413-7245.
SUNDAY, SEPTEMBER 23
The Diverse and Resilient Prairie — Hike through an area of Jefferson County usually closed to the public with plant ecologist Lynn Riedel and naturalist Lynne Sullivan. 9 a.m. – 12 p.m. Location provided at registration, Boulder Open Space and Mountain Parks, 303-413-7657.
Yoga on the Steps — Living Beyond Breast Cancer. 8:30 a.m. Cheesman Park, Denver, www.lbbc.org.
TUESDAY, SEPTEMBER 25
Trail Running Basics. 6:30 p.m. REI Store, 1789 28th St., Boulder, 303-583-9970.
WEDNESDAY, SEPTEMBER 26
Sunset Photo Session. 5 p.m. Agricultural Heritage Center, 8348 Ute Highway 66, Longmont, 303-776-8688.
To list your event, send information to: firstname.lastname@example.org. attn: “Adventure.”