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Longmont-to-Boulder Regional Trail
LoBo Trail

Longmont-to-Boulder (LoBo) Regional Trail

SAFETY NOTICE: Visitors must bring a face covering, stay six feet apart, and follow all rules and regulations. Learn More

The Longmont-to-Boulder (LoBo) Regional Trail is a 12-mile trail system that runs through Gunbarrel, Niwot, and open space properties connecting the City of Boulder with the City of Longmont.

Trails
LoBo TrailHiking Allowed Dogs Allowed Bikes Allowed E-bikes Allowed Horses Allowed
~12 miles – Easy

Parking

  • Cottonwood Trailhead (City of Boulder)
  • Lefthand Creek Park (City of Longmont)
  • Lefthand Valley Grange
  • Monarch Trailhead
  • Niwot Trailhead
  • Twin Lakes Trailhead

Restrooms

  • Temporary facility at Niwot Trailhead

Keep in Mind

  • Regional trails and regional trail connectors are open to commuters 24 hours per day.
  • Unauthorized motor vehicles are prohibited including scooters and mopeds.
  • E-bikes are allowed except on the Cottonwood Trail, Cottontail Trail, and other signed areas.
  • Stay on the designated trail as private property borders the trail in several places.
  • There are several areas where you need to use on-street connections.

History

See the list of completed trails sections, current and future projects on the LoBo Regional Trail Project Page.

Contact Us

Parks & Open Space

303-678-6200
Email
Staff Directory
Submit a Question

Office Location
5201 St. Vrain Rd.
Longmont, CO 80503
Map & Directions
Office Hours: 8 a.m. - 4:30 p.m. M-F

Parks are open sunrise to sunset

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