We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Flagstaff Mountain

Boulder, CO
+1 303-441-3440
Review Highlights
Lost Gulch is a must see!!

We traveled up this steep mountain in our car with super sharp turns and almost but wrenching drop... read more

Reviewed 1 week ago
Nicole S
Menasha, Wisconsin
via mobile
Check out the view of the continental divide

You must first go through some narrow and windy roads to get to the top which you can view the... read more

Reviewed 1 week ago
Olena S
Orange Park, Florida
via mobile
Read all 219 reviews
Map updates are paused. Zoom in to see updated info.
Reset zoom
Updating Map...
Located close to downtown Boulder, this mountain offers climbing and hiking trails with sweeping views of the city.
  • Excellent73%
  • Very good23%
  • Average2%
  • Poor1%
  • Terrible1%
Travellers talk about
“winding road” (6 reviews)
“great drive” (5 reviews)
“nature center” (4 reviews)
Boulder, CO
+1 303-441-3440
Write a ReviewReviews (219)
Traveller rating
Traveller type
Time of year

1 - 10 of 212 reviews

Reviewed 1 week ago via mobile

We traveled up this steep mountain in our car with super sharp turns and almost but wrenching drop offs just feet away, but the destination was beyond worth it!! The Lost Gulch is a stop close to the top where you can climb out onto...More

Thank Nicole S
Reviewed 1 week ago via mobile

You must first go through some narrow and windy roads to get to the top which you can view the continental divide and see breathtaking and majestic views. Weather permitting you can stop at one of the picnic spots. You can catch some amazing unobstructed...More

Thank Olena S
Reviewed 4 weeks ago

Well worth the drive up. Be sure to stop at the view spots along the way, and also at the very top to see a view of the continental divide.

Thank ColoradoLongJ
Reviewed 1 December 2017

Take your time hiking up some moderate difficulty paths to get to some absolutely breathtaking views of Boulder.

Thank Chris H
Reviewed 22 October 2017

You -- yes you -- can hike to the top of Flagstaff. Yeah the trail is a bit steep, but by Boulder standards it's a moderate grade. The trail starts on the west side of Gregory Canyon Rd, which is just off Baseline Road a...More

Thank ToutLeMonde
Reviewed 4 September 2017

We took the road up to the Lost Gulch overlook, lots of winding turns, picnic spots, hikes and great views. From the parking spot it is a short walk to the rocks or there are benches to sit on and enjoy the view. Very pretty,...More

Thank samanthandtravismom
Reviewed 1 September 2017

Flagstaff Mountain was a great, fairly easy hike. Thew views were incredible though, especially considering how manageable the hike was.

1  Thank theoriginalicecr2017
Reviewed 28 August 2017

An unbelievable, spectacular and beautiful place to visit and share with friends and family, even has picnic areas to enjoy

Thank Emma S
Reviewed 16 August 2017

Well worth the easy trip up to the top of the mountain. Several great picnic areas to go along with stunning long range views. There is a small amphitheater on the top that overlooks the town of Boulder. If you wake up early, visit during...More

Thank cory w
Reviewed 5 August 2017 via mobile

Beautiful views of boulder. Steep hike, however you can drive up most of the way on some very windy roads. Watch for bikers, there are a lot of them. Simply breathtaking!

1  Thank kkellylady22
Nearby HotelsSee all 23 hotels in Boulder
Silver Saddle Motel
66 reviews
1.05 km away
Foot of the Mountain Motel
306 reviews
1.20 km away
Colorado Chautauqua Lodging
175 reviews
2.12 km away
St Julien Hotel and Spa
1,001 reviews
2.31 km away
Nearby Restaurants
The Mediterranean Restaurant
1,077 reviews
2.38 km away
Jax Fish House & Oyster Bar
334 reviews
2.37 km away
Flagstaff House Restaurant
391 reviews
.98 km away
Via Perla
110 reviews
2.33 km away
Nearby Attractions
Chautauqua Park
1,032 reviews
2.04 km away
Boulder Creek Path
455 reviews
2.31 km away
Boulder Public Library
124 reviews
2.29 km away
Ask a question
Questions & Answers
1 March 2017|
AnswerShow all 3 answers
Response from J R | Reviewed this property |
I was there a week or so ago and there were just tiny patches of snow here and there. The road up there is very windy and steep in spots, but we didn't have any problem in our rental sedan. Our biggest concern were the... More
14 July 2016|
Response from emilyg28 | Reviewed this property |
Camping isn't allowed in Boulder's Open Space and Mountain Parks area, which is the area Flagstaff is in. If you do a web search for camping near Flagstaff you can find some nearby (though not easily walkable) places.