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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

(27) 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 5,274' Up 1607.58 m Up 5,347' Down 1629.83 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 A view of downtown Boulder, CO.
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 Hiking

  • 71 Miles 114 Kilometers of Trail
  • 8 Recommended Routes
  • 1 Gem Gems
  • 13 Easy Trails Easy Trails
  • 20 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 24 
0.4 mi 0.7 km #2Amphitheater Trail
Difficult
Boulder, CO
Difficult
Boulder, CO
1.7 mi 2.7 km #3Flagstaff Trail
Intermediate
Boulder, CO
Intermediate
Boulder, CO 13 
1.2 mi 2.0 km #4Gregory Canyon
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO
0.6 mi 1.0 km #5Chautauqua Trail
Intermediate
Boulder, CO
Intermediate
Boulder, CO
0.5 mi 0.8 km #6Red Rocks Spur
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO 10 
1.1 mi 1.8 km #7Saddle Rock Trail
Difficult
Boulder, CO
Difficult
Boulder, CO
0.4 mi 0.7 km #8Anemone Trail
Intermediate/Difficult
Boulder, CO
Intermediate/Difficult
Boulder, CO 12 
8.2 mi 13.3 km #9Boulder Creek Path
Easy/Intermediate
Boulder, CO
Easy/Intermediate
Boulder, CO 11 
0.6 mi 0.9 km #10Red Rocks Trail
Intermediate
Boulder, CO
Intermediate
Boulder, CO 11 

Photos of Flagstaff Mountain - 85

Hiking Project is built by hikers like you. Add Your Photos

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
Enjoy fantastic views out over Boulder from the Saddle Rock Trail.
Mar 19, 2017 near Boulder, CO
Looking towards Boulder
Jun 23, 2018 near Boulder, CO
Boulder Colorado - Winter Wonderland
Jan 2, 2015 near Boulder, CO
Red Rocks on the way back down.
Jun 23, 2018 near Boulder, CO