Mammoth Gulch

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3.9/5 (32 reviews)
Rollinsville, Colorado (Gilpin County)
Last Updated: 07/22/2023

Trail Information

Highlights

Mammoth Gulch provides access to or from the northern terminus of the Kingston Peak trail or can be combined with Elk Park Road to make a back way into Apex and the trails around Dakota Hill and Oregon Hill. This trail features beautiful views of the James Peak Wilderness and the area around Rollins Pass to the west and north. There is also interesting history to be seen as you pass through the ghost town of Tolland on the way to the trailhead. Mammoth Gulch can be a leisurely, scenic drive or a connection to further adventure.

Trail Difficulty and Assessment

Trail Navigation

Trail Reviews

3.9/5 (32)
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Official Crew
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40450
Open
Rated 3/5
Visited: 07/19/2023
Difficulty Accuracy: Spot On

Pretty drive, but man was it bumpy... Saw a poor soul taking an empty flatbed trailer up this trail. I can only imagine that the trailer welds were strength tested. I hadn't aired down yet which was a mistake as well. Rating is accurate, but 4wd can help make it a bit smoother.
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Official Crew
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45050
Open
Visited: 06/25/2023

Trail should be open now.
Partially Open
Visited: 06/08/2023

I drove straight through yesterday, although I did have to drive on top of and over a 5' drift. I started on Mosquito Cr. out of Apex area and tried Miners Gulch but to much ice still on Miners and decided to come down Mammoth. I don't think I could have gone up Mammoth with gravity working against me but going down was a non issue.
Trail Review: Mammoth Gulch - Gretchen L Goodman
Trail Review: Mammoth Gulch - Gretchen L Goodman
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Official Crew
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122300
Impassable
Visited: 12/27/2022

Trail is impassable, even on 40'' tires. Too much snow and Dangerous icy conditions near the beginning pushing you towards the driver's side cliff edge.
Impassable
Rated 5/5
Visited: 11/08/2022
Difficulty Accuracy: Spot On

The top of Mammoth is drifted over as of Nov 8 2022. Not terribly bad and would be easy to bash through with a couple high clearance vehicles but not something you'd want to try on your own.

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