Explore Boulder Trails - view hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers and nature lovers like you.

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hiking
2 days ago

Very nice hike. Sort, so added some additional trails in the Chautauqua area. Left at 8 and had reasonable traffic on the way up. Very busy on the way down.

Nice trail, not far from homes. Good, steep ascent. Added Red Rocks trail to make for a 4.5 mile hike.

Awesome hike!

Hiked on October 19th. Trail was great. A little steeper than I thought but an awesome hike.

Difficult but great view at the end!

The loop we followed was Chautauqua to Meadow to Gregory Canyon to Ranger to the summit of Green Mountain to E.M. Greenman to Saddle Rock to Gregory Canyon to Meadow - almost 10miles. Very strenuous on the way up, took almost four hours to summit - we are not from this altitude. Absolutely stunning and worth every grueling bit :)

Amazing trail very well worth it

nice short hike

My husband, friend, and I hiked this back in 4/2017. It was pretty much my first “real” mountain hike and will always be one of the most meaningful to me. I have a thing with heights but we made it to the tippy-top of the 2nd flatiron! If you’re planning on “celebrating” definitely wait until the top haha. Even if you’re not the most experienced hiker and it’s intimidating, go all the way - you won’t regret it. I definitely recommend appropriate footwear and gear (lots of water if you’re not used to the elevation)! We will be back!!!

Gorgeous views, different types of terrain on the way up. Lots of traffic for a reason. This is a must in the Boulder area even if once. The Flatirons are stunning. The ascent is steep at times, but it’s manageable even for this visitor from out of state.

Step clim but completely worth the views! Very transited.

Hiked 10/4. Mesa trail to fern. Strenuous constant uphill the last mile. Fun scramble at the top!

Great but strenuous hike! We took Homestead trail, which is a small offshoot to the left as you’re heading in, to Shadow Canyon. We enjoyed Homestead because it’s less trafficked and smaller than Mesa trail, which is sort of like walking on a rocky road, but you can take either to get to Shadow Canyon. Shadow Canyon gets to be quite difficult, but is well worth it when you reach the top. Excellent views into the mountains and of Boulder. It took us 3 hours to reach the summit with a few short breaks, and 2:20 to get back to the parking lot. We were worked but satisfied!

We went up Mesa trail to Shadow Canyon to South Boulder Peak trail. We somehow missed Towhee trail and couldn't find Homestead so we took Mesa. That added mileage. The trails are beautiful, especially in the fall. You climb in ernest on Shadow Canyon trail. It's definitely hard but not the hardest I've hiked! You are scrambling at some parts of the trail but mostly just large steps/lunges. Overall great hike! Parking is $5. Get there early for a spot, like 11am?

If you’re acclimated to higher elevations or go hiking frequently this trail isn’t very hard. The terrain is interesting and has great views from the top. I went around 10am on a Friday morning and the parking lot and lower trail was VERY crowded.

Definitely a harder hike with the steep inclines. It was very busy when we went. But well worth it when you get to the top.

Beautiful views at the top. I ascended via Gregory Canyon and descended via Saddle Rock/ Ampitheater. The trail was difficult but doable. I encountered quite a few trail runners in each direction.

Loved this trail, very rocky and deep going up. I would say it’s tough for sure. The views were great and several places to stop for pictures. Pretty crowded when we went, on a weekday during mid morning. We didn’t come from valley, we took the mount Sanitas trail and it was hard!

Bring water for this hike! A little tough on the way up but definitely worth it! Very heavily trafficked but the climb is so great.

Great workout and doesn’t take too long

Freakin intense.- but when you feel like you’re gonna give up, keep going!

Bear on trail today. We did this route to South Boulder Peak and up to Bear Peak. The distance is reported a little short on the app. Expect 3,500+ ft elevation gain and a 10 Mile in and out hike if you want to bag both peaks at the T in the trail.

Have Fun

Challenging! Could take casual hikers 4 hours to complete (more if you're not active). Give yourself the day and bring LOTS of water. More experienced hikers are still in for a challenge but a doable one.

Views are gorgeous, plenty of shade, and there's a cool map of all the visible peaks at the summit. The way back is relaxing and all downhill.

one of my favorites

hiking
1 month ago

This is a moderate intensity 3 to 5 hour trail depending on how rigorous vs. leisurely you want to be. I've hikded this trail in both directions. Ascending via Amphitheater is a steeper incline, and more gradual descent via Ranger and Gregory Canyon, compared to vice versa. I recommend this route if you're looking for a more challenging climb that's gentler on the knees coming down. There is plenty of shade and some open spaces. The view from the summit is beautiful.

This is a great hike if you are looking for a short and moderate to rigorous workout with great views. Ascending Mount Sanitas took me about 1 hour with several short water breaks. It is moderately steep and rocky. There is no shade 85% of the way up. Pretty views en route and at the summit. Descending through East Ridge was rough. I may have taken a wrong turn and ended up off the actual trail because it was loose rock almost the entire way down, pretty dangerous, and I ended up entering the valley trail further down.

Rugged trail. Amazing views.

nice

this is a incredibly steep incline if you go via the mount sanitas trail route and not the valley. the valley offers no shade. the trail is steep and very rocky with a heck of a lot of stairs. there is no flat on this trail it is all up. parts of the trail were rock scrambling. dogs are welcome on leash and it's supposed to be a green tag trail. however every dog except mine were off leash and not all of them were voice recall trained. when I called out to people that my dog was not nice several had to run to grab their dogs. If you have a dog who has some leash aggression issues I would not take on this trail. many other trails in area with less dogs. this one has a lot and it was a Friday morning at 10 when we started!

great views at the top and was a great workout but I was in the mood for a moderate trail. I would have called this one difficult and I would have probably enjoyed it more had I been in the mood for a difficult trail that day

there is some shade offered the way of the mount sanitas trail and some nice stopping points to take pictures or chill.

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