James F. Bailey Assay Office Museum
No admission feeA Boulder County museum in Fourmile Canyon showing mining-era assaying tools, furniture, and artwork.

A Boulder County open space near Nederland with forest, meadow, and wetland scenery plus a historic mining complex.
Nederland, CO
This Boulder County open space sits high in the mountains and covers about 2,151 acres of forest, meadow, wetland, and stream habitat. Visitors can hike its trails, which include the Blue Bird Loop and the DeLonde Trail, and see the remains of the Blue Bird Mine complex and the DeLonde Homestead. The park is day use only, with no pets, bikes, camping, open fires, or hunting allowed. It is closed each spring from April 1 through June 30 to protect migrating birds and elk calving, and it reopens July 1.
The closest stops to Caribou Ranch Open Space Park, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
A Boulder County museum in Fourmile Canyon showing mining-era assaying tools, furniture, and artwork.
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