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To Hike Map

I thought this trail was the perfect amount for a morning solo hike. I would recommend getting there earlier as I got there at 9:30, and there was 6 or 7 cars in the parking lot. When I left at 11:30, the parking lot and side of the road was full. I completed the 5 mile loop
In about 2 hours, with 2 potty breaks (too much coffee before adventuring) and a 10 min break on this rock that overlooks the ravine and mountains.

Overall.. very nice way to kick off a Saturday. Happy hiking!

Trail is in great shape! A couple slick/icy spots deeper in the trees. Had a great work-out on the way up to the top. Saw several folks, but plenty alone time in between. Lots of dogs. Great day!

Hiked 3/22, loved the forested part on the north end of the grub loop, but was still snowy! Was slipping and sliding for most of that 0.8 mile stretch, luckily had tractionwear. Potentially avoidable by taking the bonanza cut-through.

Did this hike today. A lot of packed snow made it a little more strenuous but not icy. View from top is amazing & the hike itself is enjoyable and peaceful. Ran into 2 other people.

My husband and I hiked this trail today. We took Sunshine Trail that linked to the Lions Lair Trail. I am SO glad we started this way.
The hike down from Mount Sanitas should be rated as HARD. Knee high boulders all the way down. If you want to stay on a moderate trail, turn around at the top and go back down to Sunshine Trail. I was sure glad I had my trekking poles to assist my knees with all those rocks!

Fun trail! Nice views looking east through the Gulch. I took the short trail from the Hotel Ruins to the Continental Divide Viewing area. Short hike between those two points. There was a nice, steady incline all the way up.

This was a lovely hike on a sunny, brisk day. I normally don't enjoy hiking up roads, but there was a lot to see in the first 3/4 mile - climbers, dam, creek...The turnoff on the single track trail was lovely and different rock out croppings provided awesome views of the reservoir. Easy afternoon hike. For more details and photos. https://etbtravelphotography.com/2018/03/19/road-trip-to-the-rockies-button-rock-preserve/

Go West way up - beautiful and aerobic - great weather in am today

Huge fan of this trail; it isn’t easy, but it’s very much worth it. Spectacular views and scenery, and it’s not far at all from Boulder. Highly recommended.

Hiked today. Went left into the loop as the right side is steeper and better for going up at the end than down.
~10% of the trail was icy and the ice was hidden in the mud/dirt but easily avoidable.
2.5 hours with a short snack break and a couple of water breaks.

No trax needed, couple of icy spots no mud frozen falls beautiful trail low traffic start at 9 am. First trail sign takes to cliff loop come back other way

6 days ago

Awesome views, less traveled than Herman Gulch Trail which leaves from the same trailhead. Definitely need snowshoes though even with the meager snowfalls this year. Steady incline. Had to turn around about 2/3 of the way in due to deep snow and constant post-holing. Still saw some great mountain view’s but I bet they’re only more stunning the farther you ascend.

An absolutely beautiful trail. We took it up to the Continental Divide Outlook. The views are amazing. There were a few icy patches but nothing to difficult to get through in normal hiking shoes.

We chose to do this trail early before the sun came up to catch the sunrise. It was perfect. Beginning of the trail is very open and wide but once you intersect the homestead trail it becomes more of a “trail” through the trees. Very beautiful and relatively easy. Great for everyone!

Hiked early in the morning. Decided to go out and back on Sleepy Lion trail instead of taking the loop back which would have just followed the road. We also took Professor's Ranch trail which takes you to the top of the Dam instead of going to the bottom where the water outflow is. You will see the sign as you wind down near the Dam. Great hike with views of Long's Peak and the Res.

Hiked this today 3/15. It was still extremely muddy and icy in some spots. Micro spikes weren’t necessary but there were a few spots around the 3/4 mark part of the trail that were kind of sketchy and slippery. Also my activity tracker said this loop was closer to 5.6 miles instead of the listed 4.8 here. If you go from
Beaver to Chavez it is mostly downhill the first 2 miles, then some ups and downs the next 1-2 with some steep, rocky sections and winding ledges with steep drop offs, the last section is a lot of uphill which is tough after being spent energy-wise on the first part. Overall I enjoyed this trail but feel it’s probably better in summer. I will wait until then to return.

PS I took my two small older (almost 10 yo) dogs on this trail and they loved it. Had no problems. I think they would love this in the summer when they can cool off in the little creeks!

Bunch of switchbacks in the beginning. Very nice hike in the spring. The streams are definitely worth the complete hike

9 days ago


I love this trail! It was difficult going uphill with the snow but hiking shoes and yaktrax were sufficient. I have hiked this in the summer as well and though I missed the beautiful lake at the top, it was cool to see the trail from a wintry perspective. The solitude was much needed and appreciated as I only saw a couple other hikers. Took about 3 hours round trip.

It is a good hike with views along the entire trail. There are many rock formations along the trail where people stop to boulder. It is pretty steep on the way up, but was more gradual on the back side of the mountain. The peak was fairly crowded, even on a Wednesday. Overall I enjoyed the hike.

This trail was spectacular. We parked at the Brainard lot because the road was closed. Three miles to the trailhead, but pretty and easy. Once we hit the trailhead we slapped on our snowshoes and were on our way. Nobody other than a cross country skier was out there. The trail wasn’t overly difficult but we felt the hills. We’re doing it again end of March. Beautiful trail for snowshoeing.

Great views! Definitely recommend bringing spikes for some areas.

Very nice hike:). We hiked this trail in mid March and experienced very comfortable weather. A lot of elevation change which was gradual and consistent.

12 days ago

Much steeper and more difficult than expected , but it’s a beautiful hike with wonderful views! Busy trail until you get a bit further out. It’s very steep most of the way up!

We did this trail 3/11 and it was awesome! Some icy spots but easily navigable without spikes or traxs.

12 days ago

Dynamic. Some icy spots that can be walked around/avoided. Great views!

Hiked with family of 4. Great loop and views.

Not so much moderate. More hard. Approaching the loop and heading to the right you have a slight grade for a mile which is deceiving. Boulders ahead! Pretty challenging for me and my Cattle Dog.

Very nice trail with fair elevation changes. Trail was a bit muddy, but that’s to be expected this time of year. I would definitely recommend this trail to others

Lots of bikes, but the trail is more than wide enough for bikes and people. Not a peaceful hike if there’s a motocross race going on across the road.

A great way to spend the afternoon. Took us about 3 hours. Great spot to see some foundation ruins from the hotel and nice views of the continental divide. Rock climbers all around. Super close to Boulder/West Arvada

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