City of Boulder

Welcome to the Open Space Mountain Parks Department!

Upcoming Activities Calendar

Sign Up	Prairie Wonders: A Jewel Mountain Hike Monday, 16 September 2024 \| 09:00 AM \| Jewel Mountain Journey through the beautiful prairie landscape of one of OSMP’s more remote, diverse and resilient prairies, in an area generally closed to the public. Plant ecologist Lynn Riedel and volunteer naturalist Lynne Sullivan will guide you through an ... more
Sign Up	The Harvest Moon Tuesday, 17 September 2024 \| 07:00 PM \| Boulder Valley Ranch Join OSMP naturalist Ellen on an easy going full moon hike to experience the magic and mystery of being outdoors at night. We’ll listen for great horned owls and coyotes, and try to spot bats and other of OSMP’s amazing nocturnal residents. Bring ... more
Sign Up	Escape to White Rocks Wednesday, 18 September 2024 \| 08:00 AM \| White Rocks/Weiser Sculpted by millions of years of geologic activity, Boulder's White Rocks have been honed into a dynamic and unusually rich landscape, home to myriad plants and animals of exceptional local rarity. Enjoy a slow and meandering exploration of this u... more
Volunteer	Native Seed Collection - Sept. 19 Thursday, 19 September 2024 \| 09:00 AM \| Other OSMP Location Collecting native seed helps to restore lands affected by wildfires, natural disasters, and invasive plant species. Sowing native seed results in diversifying our natural and agricultural lands which makes them more resilient to climatic changes, ... 2 assignments unfilled more
Sign Up	NKB Adventures on OSMP: Caminata familiar de otoño Saturday, 21 September 2024 \| 06:30 PM \| Sawhill Ponds ¡Únete a nosotros para una mágica Caminata Familiar a la Luz de la Luna Llena! Explora los senderos bajo el suave resplandor de la luna mientras aprendes sobre la vida silvestre nocturna y sus comportamientos. Esta encantadora caminata promete his... more
Sign Up	Out in Nature: Crafting in the Wild (LGBTQIA+) Saturday, 21 September 2024 \| 01:00 PM Have a craft project that's been gathering dust in a forgotten corner? Why not bring it to life under the open sky, surrounded by community? Join us outdoors, where you can connect with new friends and the land in a stunning setting. This event is... more
Sign Up	Recovery and Wellness Series: Conscious Reconnection on the Farm Saturday, 21 September 2024 \| 09:00 AM \| Other OSMP Location A program geared towards those in recovery, join us for a morning at Light Root Community farm - a regenerative, draft-horse powered farm and dairy located on 60 acres of Open Space and Mountain Parks (OSMP) farmland in Boulder, CO. Join OSMP sta... more
Sign Up	Trail Challenge Series: The Forks of Shanahan (Moderate) Sunday, 22 September 2024 \| 08:30 AM \| Shanahan Ridge / Lehigh The City of Boulder boasts over 46,000 acres of breathtaking Open Space, crisscrossed by 177 designated trails that stretch across 160 miles. Ready to take on the challenge of hiking them all? Take on OSMP’s Trails Challenge and start checking tra... more
Sign Up	La evolución de la danza latinoamericana y caribeña/The evolution of Latin American-Caribbean dance Sunday, 22 September 2024 \| 02:30 PM \| Flagstaff Sunrise Amphitheater A través de la música, la danza y la palabra hablada, nuestro artista invitado, Jesús David Muñoz, explorará cómo la dolorosa travesía migratoria de África a las Américas evolucionó, con el tiempo, para darnos el baile alegre y variado lenguaje... more
Register	Trail Work Tuesday Tuesday, 24 September 2024 \| 08:00 AM \| Cobalt \| Registration Required WHAT Trail Work Tuesdays 2024 WHEN 8am - 3pm WHERE Cobalt Trail PROJECT We invite you to join a City of Boulder Open Space & Mountain Parks Trail Crew to help construct a trail reroute of the Cobalt Trail! This work will improve drain... more