Lefthand Canyon Trail is a 5.9 mile moderately trafficked loop trail located near Boulder, Colorado that features a lake and is rated as moderate. The trail is primarily used for hiking and mountain biking and is best used from May until October. Dogs are also able to use this trail.

Length5.9 miElevation gain1,758 ftRoute typeLoop
HikingMountain bikingDog friendlyForestLakeViewsWildflowersWildlifeRocky
Description
Waypoints (8)
Contact
Tips

FIRE CLOSURE: As of January 2021, there are closures in this park or area due to wildfire. For more information, please visit https://www.fs.usda.gov/alerts/arp/alerts-notices.

For current conditions call Roosevelt National Forest, Boulder Ranger District at (303) 451-2500.

Please stay on marked trails at all times. Over the years, nearby property owners have tried to get this area shut down. Don't help them by breaking the rules. Castle Creek Road 287 and alternate descent 287B is gated at the bottom with no access to Highway 94. If you go down these roads, you'll have to turn around. The Forest Service is working hard to get the property owners to remove the gates. Until then, abide by the rules. Trail conditions can change without notice.

Weather
UV Index
Daylight
Reviews (214)
Photos (174)
Activities (193)
Completed (353)
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Alicia Williams
Yellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarGray StarGray StarApril 8, 2021
HikingGreat!

This is more of a bike trail, not a hiking trail. It's pretty, but bikes were just coming at or behind us the whole time.... Also, we were informed that you should have zero tire rubber on the road when parked.

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John Schreck
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Hiking

Go clockwise for the great downhill view.

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Amy Ascani
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Hiking

Snowing at the loop in a couple spots

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Matt Henry
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Hiking

Definitely a lay out better suited for mountain biking, but I had a blast none the less. Went clockwise and the climb up was pretty steep and straight forward. The way down made for a great run with beautiful views.

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Mark Morgenstein
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarMarch 29, 2021
HikingSnow

Sunday 3-28-21. Looks like I didn’t do the right trail but did an adjacent trail from the same trailhead called saddle road 842. It was about 3.5 miles in 1:07. Amazing short hike. Mostly snow free. Will come back and do this right.

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Markus Kubetzko
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarMarch 7, 2021
Hiking

Nice hike, if you hike clockwise you have amazing views going down.

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Kyle Tymon
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Hiking

Beautiful, minimal mud, wear a mask

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Nathan Alarid
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Hiking
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Morgan McMurdy
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HikingGreat!

You can hear the traffic on the road below for much of the trail, and there are a lot of mountain bikers but it's a beautiful trail, with the main path well marked. Our dogs loved it too, and it was a nice workout without feeling too advanced or difficult.

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Amanda Schmitt
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarFebruary 2, 2021
Hiking

Lots of bikers on the out & back portion, but hardly any on the loop. Only saw 3 other hikers. Views from the ridge are phenomenal. Only a few muddy spots, hardly even worth mentioning.

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Ami McKenna
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Hiking

Parking is awful. All mountain bikers without bells. This is not a hiking trail!

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Cassidy Callaway
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarJanuary 30, 2021
HikingGreat!

Trailhead is open. Nice views for fairly low effort. Basically summer conditions up there aside from very sparse, small patches of snow. Trailhead is not marked -- just a pull-off area by some metal railing. Lots of mountain bikes (for good reason) but the main trail is broad enough to easily accommodate.

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Kelcie Spradley
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HikingClosed

Trailhead closed right now

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Brittany Marquez
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Hiking
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calvin burns
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarOctober 4, 2020
Mountain biking

Going uphill it’s pretty challenging I took the service road. But oh my goodness going downhill you got to be super professional for this one because the downhill trail is still sick big huge jobs all over man so much fun

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Julian Kitzmiller
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarGray StarGray StarOctober 3, 2020
Hiking

Lots of mountain bikers and fairly wide trail until the fork. Hiking the ridge was the real redeeming part, great views from Longmont to Denver! I did however take a wrong turn so it’s important to grab a map before heading up!

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Edward Parker
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Hiking

Awesome great hike. Definitely take a map like AllTrails.

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Searl Vetter
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Hiking

Hot & Smokey. Lots of bikers. But nice

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Rex Jenkins
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarSeptember 5, 2020
Hiking

very good hike. great conditions, rather quiet in the morning but as it gets later more mountain bikes hit the trail. Gradual climb on the way up and good decent makes for a very balanced hike. I would rank this as a higher moderate bordering on hard for me who has not hiked much this summer. Map is important since it is easy to get off the main trail, but once you know to follow the wider OHV trail, then navigation is easier. highly recommend, but only downside is parking is very limited at the base so gotta get there early. happy trails!!

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Megan Orsburn
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarAugust 30, 2020
Hiking

Definitely agree with other posters to have the map handy, there are a ton of intersecting trails especially at the beginning. Trail is steep and rocky in some places but great view at the top and a good workout. I went clockwise and was glad I did.

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Attie Manke
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarAugust 30, 2020
HikingRocky

Started early around 7:30 and only encountered one pair of hikers but started to see quite a few bikers around 9am. Beautiful trail, nice periods of shade. My 6yr old Pitt Bull did just fine. For any hikers I would recommend the earlier the better since this trail has more bikers than foot traffic

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Alyssa Lynn
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Hiking
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Christopher Herr
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Hiking

Very steep although we were not on the main trail

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Austin Horne
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Hiking

We hiked this trail on a Sunday afternoon. It was relatively cloudy with a little drizzle so I can understand why you would want to start hiking earlier if the sun was out. Fairly steep with rocks, but all in all a beautiful hike! We only encountered a few bikers, no hikers. Beware of rattlesnakes! We did encounter one at the bottom of the loop sunbathing, and almost ran up on it so keep an eye out!!

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Tara Schoenherr
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HikingGreat!Rocky

enjoyable trek, a little steep and rocky in spots but nothing too technical. Be prepared to share well with lots of mountain bikers (not a complaint there is plenty of space for everyone in most spots). I would give a heads up to anyone unfamiliar with the area that this is a spot with a lot of interlocking trails so be prepared with the map if it's your first couple of times. Enjoy :)

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Betsy Otten
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HikingNo shade
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Ransom Gates
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray StarJuly 21, 2020
Hiking

A short, but challenging trail with great views at the top! As other reviews have mentioned, it’s a good idea to complete the trail going clockwise to have more shade on the trek up. It can get pretty hot, so would recommend starting early!

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Stathis Edel
Yellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarJuly 18, 2020
Hiking

Was perfect, not sure why it says closed. Many access points. With 9 and 11 year old. They did great. As long as you don’t have wimpy kids this is a great trail. It is nice and steep. Great hike, open, amazing views.

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Andrea Dietz
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HikingNo shade
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