Trail Notifications for Fourth of July Weekend

Browse By


The Sanitas Valley Trail has reopened July 2, after extensive repairs post the Boulder Floods in 2013.

If you are looking to stay in the area and get out and explore the wildflowers and open spaces, be sure to note these trail openings and closures for this weekend and beyond.

If you get out on the trails and are taking pictures to share on social media be sure to tag them with #BoCo_Trails!

Flagstaff Drive closed on 4th of July,  Fireworks banned on open space

To help reduce fire danger and ensure that all visitors can safely enjoy the Fourth of July holiday, Flagstaff Drive will be closed from 3 to 11 p.m. on Saturday, July 4. After 3 p.m., all traffic will be diverted at Fourth Street and Baseline Road. Only residents who live west of Chautauqua will be allowed beyond the closure. This temporary closure has been a city practice for the last 20 years. Learn more.

Sanitas Valley Trail reopened July 2

Significant repairs were completed along Sanitas Valley Trail and it is now open to visitors.

Temporary leash restriction on Eagle Trail

A leash restriction is in place on Eagle Trail because of coyote activity in the area. Dogs must be leashed from the gate just north of the pond to the gate one-half mile south of the pond.

Temporary leash restriction near Shanahan Ridge

A leash restriction is in place for a social trail accessible from Stony Hill Road due to a dead cow close to the trail. Learn more.

Several trails are closed for longer-term projects: 

  • East Boulder/White Rocks Trail closed from Valmont Road to Phillips Road
  • Boulder Falls Trail closed
  • Anemone Hill closed – a portion of the trail is temporarily open for out and back use only

For more information, visit the temporary closures page at


Leave a Reply

Your email address will not be published. Required fields are marked *