Boulder - Denver - Golden and Lyons

Anne U. White Trailhead

• Anne U. White Trail : 3.2 miles roundtrip - Dogs Allowed

Barr Lake State Park - Nature Center Trailhead

• Gazebo Boardwalk Trail: 3.1 miles roundtrip - See Worth Noting
• Niedrach Nature Loop: 0.6 miles roundtrip - See Worth Noting

Boulder Reservoir

• Boulder Reservoir Loop: 5.25 miles roundtrip - Dogs Allowed with restrictions
• Coot Lake: 1.2 miles roundtrip - Dogs Allowed
• Eagle - Sage Lollipop Loop: 3.75 miles roundtrip - Dogs Allowed

Button Rock Preserve Trailhead

• Ralph Price Reservoir : 3.8 miles roundtrip - Dogs Allowed
• Sleepy Lion Trail - Button Rock Dam Lollipop Loop: 4.7 miles roundtrip - Dogs Allowed

Ceran St. Vrain Trailhead - Jamestown

• Ceran St. Vrain Trail: 3.85 miles roundtrip - Dogs allowed

Chautauqua Park Trailhead

• Bear Peak via The Mesa Trail and Bear Canyon: 12.7 miles roundtrip - Dogs Allowed
• Flatiron #1: 2.8 miles roundtrip - Dogs Allowed
• Flatiron Loop Trail: 2.1 miles roundtrip - Dogs Allowed
• Mallory Cave: 5.4 miles roundtrip - Dogs Allowed
• McClintock - Enchanted Mesa Loop Trail: 2.05 miles roundtrip - Dogs Restricted
• Royal Arch: 3.2 miles roundtrip - Dogs Allowed
• The Mesa Trail : 13.4 miles roundtrip - Dogs Allowed

Doudy Draw Trailhead

• Doudy Draw - Spring Brook Loop Trail: 5.2 miles roundtrip - Dogs Allowed - Restrictions Apply
• Doudy Draw Trail to Flatirons Vista Trailhead: 6.8 miles roundtrip - Dogs Allowed

Eldorado Canyon State Park - Walker Ranch

• Eldorado Canyon - Walker Ranch Lollipop Loop: 13.8 miles roundtrip - Dogs Allowed
• Eldorado Canyon Trail: 8.5 miles roundtrip - Dogs Allowed
• Fowler Trail - Self Guided Nature Walk: 1.4 miles roundtrip - Dogs Allowed
• Rattlesnake Gulch Trail: 2.4 miles roundtrip - Dogs Allowed
• South Boulder Creek Trail: 5.0 miles roundtrip - Dogs Allowed
• Walker Ranch Loop: 7.55 miles roundtrip - Dogs Allowed

Eldorado Mountain Trailhead

• Fowler Trail: 4.0 miles roundtrip - Dogs Allowed
• Goshawk Ridge Trail - Spring Brook North Loop: 4.05 miles roundtrip - No Dogs Allowed

Flagstaff Mountain: Inspiration Point Trailhead

• Tenderfoot Loop Trail: 2.2 miles roundtrip - Dogs Allowed
• Ute Trail - Range View Trail Loop: 1.1 miles roundtrip - Dogs Allowed

Flagstaff Mountain: Sensory Trailhead

• Boy Scout Loop Trail : 1.0 miles roundtrip - Dogs Allowed

Four Mile Creek Trailhead

• Foothills Trail to Wonderland Lake: 3.0 miles roundtrip - Dogs Allowed

Golden Gate Canyon State Park

• Burro Trail to Windy Peak: 6.35 miles roundtrip - Dogs Allowed
• Frazer Meadows via Mule Deer Trail: 4.9 miles roundtrip - Dogs Allowed
• Mountain Lion Loop Trail & Windy Peak: 7.9 miles roundtrip - Dogs Allowed
• Panorama Point via Mule Deer Trail: 11.0 miles roundtrip - Dogs Allowed
• Raccoon Loop Trail: 2.3 miles roundtrip - Dogs Allowed

Gregory Canyon Trailhead

• Green Mountain - Bear Peak Trail (Green and Bear It): 10.55 miles roundtrip - Dogs Allowed
• Green Mountain Summit via the Ranger Trail: 5.45 miles roundtrip - Dogs Allowed

Greyrock Mountain Trailhead - Fort Collins

• Greyrock Trail - Greyrock Meadows Loop Trail: 7.15 miles roundtrip - Dogs allowed

Hall Ranch

• Bitterbrush Trail to Nelson Loop: 9.4 miles roundtrip - No Dogs Allowed
• Button Rock Trail: 4.0 miles roundtrip - No Dogs Allowed
• Nighthawk Trail: 9.7 miles roundtrip - No Dogs Allowed

Heil Valley Ranch

• Lichen Loop Trail: 1.25 miles roundtrip - No Dogs Allowed
• Wapiti Trail to Ponderosa Loop: 7.75 miles roundtrip - No Dogs Allowed

Lion Gulch Trailhead

• Lion Gulch Trail to Homestead Meadows: 6.1 miles roundtrip - Dogs Allowed
• Lion's Paw Trail to Pierson Park: 14.2 miles roundtrip - Dogs Allowed

Marshall Mesa Trailhead

• Marshall Mesa Loop: 3.3 miles roundtrip - Dogs Allowed
• Marshall Valley - Cowdrey Draw Trail: 4.0 miles roundtrip - Dogs Allowed

Mt Sanitas Trailhead - Mapleton Road

• Mt Sanitas Loop Trail: 3.1 miles roundtrip - Dogs Allowed

Mud Lake Open Space

• Tungsten & Kinnickinnick Double Loop Trail: 2.2 miles roundtrip - Dogs allowed on leash only

NCAR Mesa Trailhead

• Mallory Cave - NCAR: 2.8 miles roundtrip - Dogs Allowed

North Foothills Trailhead

• Hogback Lollipop Loop: 2.95 miles roundtrip - No Dogs Allowed on the Hogback Loop section

Rabbit Mountain Trailhead

• Eagle Wind Trail: 3.95 miles roundtrip - Dogs Allowed
• Little Thompson Overlook Trail: 2.9 miles roundtrip - Dogs Allowed

Settlers' Park Trailhead

• Red Rocks Loop Trail: 0.7 miles roundtrip - Dogs Allowed

South Boulder Creek Trailhead

• South Boulder Creek - Big Bluestem Loop: 4.35 miles roundtrip - Dogs Allowed

South Mesa Trailhead

• Mesa Trail - Big Bluestem Trail Loop: 4.35 miles roundtrip - Dogs Allowed
• Shadow Canyon to Bear Peak : 6.8 miles roundtrip - Dogs Allowed
• Shadow Canyon to South Boulder Peak : 6.7 miles roundtrip - Dogs Allowed

Teller Farms Trailhead - South

• Teller Farms - East Boulder Trail: 12.3 miles roundtrip - Dogs Allowed

Waneka Lake Park - City of Lafayette

• Waneka Lake Trail and Greenlee Wildlife Preserve: 1.2 miles roundtrip - Dogs Allowed

White Ranch Park in Golden

• Belcher Hill - Rawhide - Longhorn - Whippletree Loop: 8.8 miles roundtrip - Dogs Allowed
• Belcher Hill Trail: 9.0 miles roundtrip - Dogs Allowed
• Belcher Hill Trail to Mustang Trail: 9.0 miles roundtrip - Dogs Allowed
• Rawhide Loop Trail: 4.7 miles roundtrip - Dogs Allowed
• Sawmill Trail: 2.95 miles roundtrip - Dogs Allowed
• Shorthorn to Longhorn Trail: 5.2 miles roundtrip - Dogs Allowed