Explore Denver Area Hikes - 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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The definitive Boulder workout. One of the first to try if you are only here for a short while!

Trail was closed today. Hiked this before with my dog and she loved being off leash with the cows. Special dog tag for voice control needed for off leash capability.

hiking
3 days ago

Beautiful views! I brought my dog to hike and she loved it- we met several other people with dogs too who were all very friendly. I didn’t wish I had snow shoes until the end when I started sinking in waist deep snow and my dog started disappearing completely under the snow- it was moderately challenging but well worth it!

This is a really great day hike if you live nearby and are off to a late start for the day. We came from neighboring Longmont and started the hike around 3. Got back to the car right after the sun went down. The creek is beautiful and it's really cool to see some local infrastructure at work. I highly recommend this hike.

Great trail and beautiful views.

Amazing fog this am with snow flakes. Trails dry with friendly people and amazing views. Happy Thursday m8y's Oiiiii

great hike. took the kids 3&5. I would say this is a moderate hike only if you are doing the final climb to see the cave entrance.

Great hike! 'Moderate' rating is appropriate. Signs and trails can make it a little confusing at the beginning, so following the mesa trail signs not the ncar trail signs. It's a pretty steep hike in general. 2.4 miles OUT and 2.4 miles BACK. Last 100' was too steep for our group of 2nd graders. Beautiful views amongst the flatirons. Still worth going even though we could see the cave at the top.

Lots of steps up (45 min) but worth the reward. Easy hike down.

Great views of Boulder. Decently trafficked by people and easy to find the trail. Around the peak it does get pretty rocky so good shoes and sure footing is highly recommended. Haven’t hiked in awhile and did the loop in a 1 1/2 hours with a longer break at the top.

hiking
10 days ago

East trailhead Castle Trail up long switchbacks to Walker Ruins & Summer White Hse (great views west!) return Down Turkey Trot Trail north facing sections icey slush. 8am start, not too crowded mid week.Windy, layer up, gloves & ears. CMCDan,Nov 2 ,2018.

Gorgeous trail. Strongly disagree with the "hard" rating-- it's difficult for a relatively short period of time, so I think it's more in the moderate category. It was actually rated moderate on alltrails until about a month or two ago.. not sure why it was changed.

This trail is short, energizing and has better views than some of the even harder trails in Boulder.

hiking
11 days ago

We really enjoyed this hike. We encountered only one other trail user. We used winter hiking boots with crampons. This was sufficient to make it all of the way to the end of the trail. No need for snowshoes or backcountry skis today. It snowed throughout our hike and was windy, especially when nearing the lake at the end. There's a waterfall flowing into the lake which isn't frozen over yet. A thin layer of ice currently coats most of the lake. A standard car with good all season tires can make it to the foot of the trailhead.

hiking
11 days ago

This hike was amazing. The first half was very smooth and simple, then it turns pretty rocky for the last mile or so. The very last bit was absolutely the best part though. I saw other people posting that the last 100 feet or so was a climb, so I was expecting something along the lines of boulder hopping. Boy was i wrong! It was a legitimate climb! I would say it was about a 60ish degree angle, which was exactly what i was hoping for! Most of the trail is great for most dogs, and older kids too! I will 100% be going back!

If you are going to do this hike as a loop , I would recommend going up Mount Sanitas and returning Sanitas Valley .

Great hike.

Great local hike. Lots of doggos on the trail enjoying the best of life.

hiking
16 days ago

Great trail! The last 100ft up to the cave is a pretty steep climb up rocks... not very kid or dog friendly, but the trail leading up to that point is great. Definitely recommend boots.

Hiked 10/29/2018 Castle Trail up to the Presidents Summer House. Beautiful views. Not too busy. Perfect weather and views. Easy to moderate. Great trail while acclimating to the altitude.

hiking
16 days ago

Great hike! We went last Friday and it was a beautiful day. The trail was icy and snow packed in some areas and even more so the closer we got to the lake.

Beautiful hike with some stunning views. Very heavily trafficked especially on the road leading to the Sleepy Lion trail, but everybody kind of spreads out after that.

This has quickly become one of our favorite hikes. The elevation gain is serious, but there are only a few spots that get challenging. The lake is peaceful, and we had it to ourselves today. It does get snowy and icy, so wear your spikes or bring your poles.

Steep uphill climb for the first half if you're coming form Morrison, but lots of switchbacks makes it easy. Once you're at the top, you'll get an awesome view of Denver and Red Rocks. We also saw tons of wildlife. Lots of options for castle and trail exploring, too. Really good place to take someone new to hiking or visiting the area because you can stay up there for hours or come down if they're not feelin' it. Get ice cream in Morrison after!

Fun trail for a quick hike. Clean and not too tough.

This is a great little hike. It’s pretty steep and gets the heart pumping. There are great views of Boulder along the way, and spectacular views from the top. Definitely worth the climb.

hiking
19 days ago

We did the short ~2 or 2.5 mile loop.
It was ok. Easy for out of towners but not much to see unless you do the longer loops. Part of the forest was being thinned intentionally by the park service. Equipment and sights of the road took away from the experience. It is a gravel/rock path and very exposed to the sun in midday so bring sunscreen, hat, plenty of water anyway.

Cows grazing freely which was interesting. Mountain bikers to be cautious of and let pass. Dogs on leash.

$5 parking for non Boulder residents or you can get the $25 year pass online ahead of time.

hiking
19 days ago

Pretty basic/boring/easy hike. The only excitement on this hike were the cows....

Definitely and amazing view once you get to the top. Hiked this trailed multiple times! The trail tends to get extremely muddy and slippery after a snow day, but well worth the challenge!

Well marked, well maintained trails. Some nice views and interesting ruins. A lot of side trails near the top, so you can make it a bit longer. Not too much elevation gain; kind of a mild trail. Not crowded this morning (Tuesday).

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