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Black bear yawning among the shrubs.

Hikes for Seniors: The Deep Sleep

 10/22/2026  |  10:00 AM - 12:30 PM
  Heil Valley Ranch Wapiti Trailhead  |  Registration Required

Natural History - Seniors

Follow us along the foothills of Boulder County as we explore and learn about the critters who live among the pines and rocks. Learn with volunteer naturalists how these animals prepare for winter's challenges and how hibernation is used as a survival strategy. Trails at Heil Valley Ranch have some inclines and rocky areas, but benches are available for sitting and resting. The trails can be slippery when wet; come prepared!

Minimum Participants: 5
Maximum Participants: 20

Registration is required for this activity.


Boulder County wants to ensure that everyone has equal access to our programs, activities, and services. To request an Americans with Disability Act (ADA) accommodation, please email [email protected], or call 303-441-1386. Submit your request as early as possible, and no later than two business days before the event.

If you need help in another language, please email [email protected], or call 303-678-6277. Contact us as early as possible, and no later than three business days before the event.


Contact
Contact: Carlos Lerma
(720) 698-0694
 Participant Waiver and Photo Release

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Leader/Volunteer Info

Carlos Profile Photo

Carlos L - STAFF

I’m a Boulder native with family roots in Mexico. I grew up spending summers on my grandfather’s farm in Chihuahua and was fortunate enough to be exposed to the natural resources of Colorado through school trips and summer camps as a teen. All of these experiences helped foster an appreciation and love for the outdoors in me. I love to hike, camp, fish and birdwatch, and most importantly, I like doing those things with people who haven’t or don’t do them often.


Deborah Profile Photo

Deborah K - Volunteer Naturalist

I am a mostly-retired lawyer and an outdoor adventurer, with many years of experience as a backpacker, hiker, rock climber, and outdoor guide/educator. I am excited to be part of Boulder County's volunteer naturalist program, to learn more about this area's natural history and then share with my community what I've learned and what I love about the outdoors.


Kenneth Profile Photo

Kenneth M - Volunteer Naturalist

I grew up outside of Tucson, exploring the Sonoran Desert including Baja California (before there were roads there!), climbing in the mountains of southern Arizona, tracking birds and wild animals including black bear, javelina, mountain lions, even following rumors of the return of jaguars in the remote areas of the New Mexico "boot-heel." The plants, animals, geology, weather and cultures of these areas became a life-long fascination.


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