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Flagstaff Mountain

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Gems in Flagstaff Mountain - 1

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gem Favorite Hills while going up Anemone from Red Rocks

Red Rocks

(25) Boulder, CO

Recommended Routes in Flagstaff Mountain - 8

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Favorite Sunrise from Mt Saintas
Difficult

Boulder Skyline Traverse

17.3 mi 27.9 km 5,307' Up 1617.5 m Up 5,381' Down 1640.09 m Down

Superior, CO
Favorite Sunrise from Mt Saintas
Intermediate

Sunshine Lion's Lair Loop

5.3 mi 8.5 km 1,261' Up 384.48 m Up 1,282' Down 390.64 m Down

Boulder, CO
Favorite Snowy Boulder from Saddle Rock Trail. with permission from BoulderTraveler
Difficult

Green Mountain via Ranger/Saddle Rock Loop

4.9 mi 7.9 km 2,310' Up 703.95 m Up 2,280' Down 695.01 m Down

Boulder, CO
Favorite A snowy start of the Mesa Trail looking at the first Flatiron.
Difficult

Royal Arch Out and Back

3.3 mi 5.3 km 1,311' Up 399.74 m Up 1,312' Down 400.04 m Down

Boulder, CO
Favorite Sunrise from Mt Saintas
Intermediate/Difficult

Mount Sanitas Loop

3.2 mi 5.2 km 1,281' Up 390.4 m Up 1,280' Down 390.22 m Down

Boulder, CO
Favorite Morning at the Flatirons.
Intermediate

Welcome to Chautauqua

1.3 mi 2.2 km 436' Up 132.79 m Up 434' Down 132.4 m Down

Boulder, CO
Favorite DMA with some deer
Intermediate

Flagstaff Summit Loop

2.4 mi 3.9 km 346' Up 105.4 m Up 337' Down 102.81 m Down

Boulder, CO
Favorite Morning at the Flatirons.
Intermediate/Difficult

Second-Third Flatiron Mesa Loop

2.2 mi 3.6 km 716' Up 218.32 m Up 713' Down 217.44 m Down

Boulder, CO

Flagstaff Mountain Running

  • 71 Miles 114 Kilometers of Trail
  • 8 Recommended Routes
  • 1 Gem Gems
  • 14 Easy Trails Easy Trails
  • 19 Intermediate Trails Intermediate Trails
  • 1 Difficult Trail Difficult Trails
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Trails in Flagstaff Mountain - 26

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1.3 mi 2.0 km #1Mount Sanitas Trail
Difficult
Boulder, CO
Difficult
Boulder, CO 23 
0.7 mi 1.1 km #2Boy Scout
Intermediate
Boulder, CO
Intermediate
Boulder, CO
1.1 mi 1.8 km #3Saddle Rock Trail
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO
0.4 mi 0.7 km #4Amphitheater Trail
Difficult
Boulder, CO
Difficult
Boulder, CO
1.7 mi 2.7 km #5Flagstaff Trail
Intermediate
Boulder, CO
Intermediate
Boulder, CO 12 
1.2 mi 2.0 km #6Gregory Canyon
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO
0.6 mi 1.0 km #7Chautauqua Trail
Intermediate
Boulder, CO
Intermediate
Boulder, CO
0.9 mi 1.5 km #8Viewpoint Trail
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO
0.5 mi 0.8 km #9Red Rocks Spur
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO 10 
0.4 mi 0.7 km #10Anemone Trail
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO 12 

Photos of Flagstaff Mountain - 82

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Great running around Flagstaff
Mar 26, 2015 near Boulder, CO
Summer wildflowers bloom on Chapman Drive next to trail damage from the Boulder Floods.
May 6, 2016 near Boulder, CO
Hills while going up Anemone from Red Rocks
Jun 23, 2018 near Boulder, CO
Beautiful path in Boulder Canyon
May 10, 2018 near Boulder, CO
Boulder Creek Path
May 10, 2018 near Boulder, CO
Looking towards Boulder
Jun 23, 2018 near Boulder, CO
Running up Flagstaff
Mar 26, 2015 near Boulder, CO
Boulder Colorado - Winter Wonderland
Jan 2, 2015 near Boulder, CO