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Flagstaff Mountain

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J F M A M J J A S O N D

31 mi 50 km of trail 8 Featured Runs

Gems 1 Gem Easy Trails 16 Trails Intermediate Trails 17 Trails Hard Trails 1 Trail

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Gems in Flagstaff Mountain - 1

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Featured Runs in Flagstaff Mountain - 8

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Favorite Sunrise from Mt Saintas

Sunshine Lion's Lair Loop

5.3 mi 8.5 km • Loop • 1,261 ft Ascent 384.48 m Ascent

Singletrack Boulder, CO

( 100 )
Favorite The "sighting disc" at the top of Green Mountain.  Line up the pins so you know what mountain you're looking at.

Boulder Skyline Traverse

16.3 mi 26.3 km • Point to Point • 5,409 ft Ascent 1648.56 m Ascent

Singletrack Superior, CO

( 68 )
Favorite A snowy start of the Mesa Trail looking at the first Flatiron.

Royal Arch Out and Back

3.3 mi 5.3 km • Out and Back • 1,311 ft Ascent 399.74 m Ascent

Singletrack Boulder, CO

( 140 )
Favorite The "sighting disc" at the top of Green Mountain.  Line up the pins so you know what mountain you're looking at.

Green Mountain via Ranger/Saddle Rock Loop

4.9 mi 7.9 km • Loop • 2,305 ft Ascent 702.5 m Ascent

Singletrack Boulder, CO

( 74 )
Favorite Sunrise from Mt Saintas

Mount Sanitas Loop

3.2 mi 5.2 km • Loop • 1,281 ft Ascent 390.4 m Ascent

Singletrack Boulder, CO

( 95 )
Favorite Morning at the Flatirons.

Welcome to Chautauqua

1.3 mi 2.2 km • Loop • 436 ft Ascent 132.79 m Ascent

Singletrack Boulder, CO

( 20 )
Favorite Boulder panorama from the Boy Scout Trail

Flagstaff Summit Loop

2.4 mi 3.9 km • Loop • 346 ft Ascent 105.4 m Ascent

Singletrack Boulder, CO

( 16 )
Favorite The "sighting disc" at the top of Green Mountain.  Line up the pins so you know what mountain you're looking at.

Green-Bear Combo from Chautauqua

13.5 mi 21.7 km • Loop • 4,512 ft Ascent 1375.35 m Ascent

Singletrack Boulder, CO

( 1 )

Trails in Flagstaff Mountain - 26

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0.7 mi 1.1 km #1 Boy Scout
Boulder, CO
0.7 mi 1.1 km Boulder, CO
Unknown
Update
1.3 mi 2.1 km #2 Mount Sanitas Trail
Boulder, CO
1.3 mi 2.1 km Boulder, CO
Unknown
Update
15 
0.4 mi 0.7 km #3 Amphitheater Trail
Boulder, CO
0.4 mi 0.7 km Boulder, CO
All Clear
Update
20 days ago
1.7 mi 2.7 km #4 Flagstaff Trail
Boulder, CO
1.7 mi 2.7 km Boulder, CO
All Clear
Update
Mostly Dry
43 days ago
10 
0.5 mi 0.8 km #5 Red Rocks Spur
Boulder, CO
0.5 mi 0.8 km Boulder, CO
Minor Issues
Update
Muddy
58 days ago
0.9 mi 1.5 km #6 Viewpoint Trail
Boulder, CO
0.9 mi 1.5 km Boulder, CO
All Clear
Update
Dry
80 days ago
0.4 mi 0.7 km #7 Anemone Trail
Boulder, CO
0.4 mi 0.7 km Boulder, CO
All Clear
Update
Dry - Some trail work going on nearby.
83 days ago
12 
0.6 mi 1.0 km #8 Chautauqua Trail
Boulder, CO
0.6 mi 1.0 km Boulder, CO
Unknown
Update
8.2 mi 13.3 km #9 Boulder Creek Path
Boulder, CO
8.2 mi 13.3 km Boulder, CO
All Clear
Update
Dry
34 days ago
1.2 mi 2.0 km #10 Gregory Canyon
Boulder, CO
1.2 mi 2.0 km Boulder, CO
All Clear
Update
Crowded weekend traffic
30 days ago
0.6 mi 0.9 km #11 Red Rocks Trail
Boulder, CO
0.6 mi 0.9 km Boulder, CO
All Clear
Update
Dry - Some trail work going on nearby.
83 days ago
10 
1.2 mi 1.9 km #12 Enchanted Mesa Trail
Boulder, CO
1.2 mi 1.9 km Boulder, CO
All Clear
Update
Dry - Wild flowers in full force
2 days ago
0.1 mi 0.2 km #13 May's Point
Boulder, CO
0.1 mi 0.2 km Boulder, CO
Unknown
Update
0.6 mi 1.0 km #14 Range View
Boulder, CO
0.6 mi 1.0 km Boulder, CO
Unknown
Update
1.1 mi 1.8 km #15 Saddle Rock Trail
Boulder, CO
1.1 mi 1.8 km Boulder, CO
All Clear
Update
Mostly Dry -
46 days ago
1.2 mi 1.9 km #16 Ranger Trail
Boulder, CO
1.2 mi 1.9 km Boulder, CO
Unknown
Update
1.8 mi 2.8 km #17 Long Canyon Trail
Boulder, CO
1.8 mi 2.8 km Boulder, CO
Unknown
Update
0.9 mi 1.4 km #18 Tenderfoot Trail
Boulder, CO
0.9 mi 1.4 km Boulder, CO
Unknown
Update
2.6 mi 4.2 km #19 Chapman Drive
Boulder, CO
2.6 mi 4.2 km Boulder, CO
Unknown
Update
0.4 mi 0.7 km #20 Bluebell Mesa
Boulder, CO
0.4 mi 0.7 km Boulder, CO
Unknown
Update
0.7 mi 1.1 km #21 Bluebell-Baird Trail
Boulder, CO
0.7 mi 1.1 km Boulder, CO
All Clear
Update
Dry
20 days ago
1.2 mi 2.0 km #22 Sunshine Canyon Trail
Boulder, CO
1.2 mi 2.0 km Boulder, CO
All Clear
Update
Dry - Careful of ticks in the high grass along Sunshine right now!
6 days ago
0.6 mi 0.9 km #23 Ute Trail
Boulder, CO
0.6 mi 0.9 km Boulder, CO
Unknown
Update
0.5 mi 0.7 km #24 McClintock Upper
Boulder, CO
0.5 mi 0.7 km Boulder, CO
All Clear
Update
Dry - Wild flowers in full force
2 days ago
1.0 mi 1.5 km #25 Bluebell Road
Boulder, CO
1.0 mi 1.5 km Boulder, CO
All Clear
Update
Dry - No problems!
66 days ago
0.5 mi 0.9 km #26 Baseline Trail
Boulder, CO
0.5 mi 0.9 km Boulder, CO
Unknown
Update

Photos of Flagstaff Mountain - 73

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