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Nature Hikes and Programs

Nature Hikes and Programs

Natural Selections is our ongoing series of educational nature programs on topics including ecology, wildlife, local history, night hikes, children’s programs, plus many more. All programs are free and open to the public. Please do not bring dogs.

Do you want Natural Selections sent to you by email?   Follow this link to join our mailing list! Select "Natural Selections" from the drop down list. You will receive a weekly notice about upcoming programs. We will not share your email address.

Teachers, scout troops and community groups can obtain free individual programs from Open Space and Mountain Parks naturalists, visit the  Request an Environmental Education Program page to learn more.

Upcoming Nature Hikes & Programs

Jeepers Creepers Halloween


Scared of the creatures who prowl at night? Here is an opportunity to replace your fear with awe! Ages 4 and up. ~

Howl-O-Ween – A Trick or Treat Event for Dogs


Drop in with your dog for trick-or-treat fun with your best friend. Amusing dog activities and a photo booth too! Costumes - dog and human - highly encouraged.

Bear Spotting Hike


Join Education and Outreach Coordinator Jean Koszalka on this early morning 3 mile hike to look for bears on OSMP. No dogs please!

Pokémon Expedition


People who love to hunt Pokémon can join OSMP naturalists for an expedition to learn where to find Pokémon and other creatures on Open Space. Ages 7+

Mountain Hike to the Old Homesteads


A fairly strenuous historical hike to the old pioneer McGilvery and Stockton cabins and the mouth of Shadow Canyon.

Nature for Kids & Parents: Gobble, Gobble


Learn fun facts about wild turkeys and why they are different from domesticated turkeys! Games and nature activities on this easy hike. ~

Newcomers’ Hike to a Flatiron!


Are you new to Boulder? Get a crash course in Open Space & Mountain Parks 101 with a naturalist, and touch a Flatiron!



Join us for a slide show about wolves, and their reintroduction into the Yellowstone ecosystem during the 1990's. ~

Geology for the Average Bear


Boulder’s rocks tell wild stories that include dinosaurs, glaciers, vast swamps, oceans and ancient mountain ranges now vanished into the dust of time.

Lions and Bears – Oh My!


Naturalist Jean Koszalka will present a beautiful slide show about the mountain lions and bears that live on Open Space and Mountain Parks.

See more upcoming events in the Calendar of Events






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