Alderfer / Three Sisters Park

Alderfer_Three Sisters Park Banner_Steven Conley

Beginning Spring 2021, Jeffco Open Space will be conducting wildfire mitigation and forest restoration in Alderfer/Three Sisters Park. Expect heavy equipment and crews who will be removing trees to a create fuel break, better emergency access, and less catastrophic wildfire conditions. 

For more information on wildfire mitigation and forest restoration please visit our Forestry Management page and look for our forestry management presentation in the near future.

Alderfer/Three Sisters 2021 Forestry Fact Sheet

Alderfer/Three Sisters Park Forestry Project Map

Alderfer/Three Sisters Park Fuelbreak Project Map


Alderfer/Three Sisters Park Trailhead Expansion, Virtual Community Meeting

Jeffco Open Space hosted a virtual community meeting on Wednesday, April 14 to discuss park action plans, regarding improved visitor experience, proposed trailhead expansion at both of Alderfer/Three Sisters Park’s East and West Trailheads, and increased safety for park visitors.

A public comment period will remain open from April 14 – May 14. All comments can be sent to for review and public record.

Click here to view the presentation that was recorded live on April 14

Alderfer/Three Sisters Park Trailhead Expansion Fact Sheet

More Info

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Alderfer/Three Sisters West Trailhead
5136 South Le Masters Road
Evergreen, CO 80439

Alderfer/Three Sisters East Trailhead
30357 Buffalo Park Road
Evergreen, CO 80439

Near the heart of Evergreen, Alderfer/Three Sisters Park has stunning vistas, landmark rock formations, beautiful old stands of ponderosa pine and the most trails per acre of any foothills park.

Alderfer/Three Sisters Park interactive map

Current parking lot availability and averages by time of day - provided by Lot Spot

Alderfer/Three Sisters Park Map
Alderfer/Three Sisters Park Regulations