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Las Conchas-Los Griegos Traverse



23.2 mile 37.3 kilometer loop
80% Singletrack


Ascent: 3,676' 1,121 m
Descent: -3,682' -1,122 m
High: 9,815' 2,992 m
Low: 7,848' 2,392 m


Avg Grade: 6% (3°)
Max Grade: 29% (16°)


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Trail shared by Taber West

A decent route that combines single and doubletrack with two mountain passes.

Taber West

Electric Mountain Bikes Unknown

Features -none-


This is a varied and scenic ride that combines both valleys and mountain tops with some spectacular scenery. There are both technical and easy section throughout the ride.

Need to Know

This ride crosses several recent burn areas, watch for falling trees.


This trail begins as singletrack at a parking area on Highway 4 just after the Valle Grande. You climb up a meadow next to a stream for the first mile and then the trail gets rough because of the Las Conchas fire. The singletrack continues up to the top of Las Conchas peak and crosses the road at a cattle guard. From there it drops down into a valley by a small lake on a rough doubletrack.

The trail then climbs up the opposite side on a doubletrack that becomes singletrack again to the top of Los Griegos peak. From here, the singletrack drops down the other side of Los Griegos by another small creek until it joins the Cerro Pelado lookout tower road for 50' or so.

The trail continues as a doubletrack from here to Forest Road 10 where it ends by a cattle guard. Continue on FR 269 to the west along the mesa rim, then drop down to the right along the tent rocks on a singletrack. Cross the creek at the bottom and climb a short way until the trail joins into the Jemez Falls Trail. From here go right to the east and cross HWY 4, then continue until the next highway crossing at east fork. Follow the highway around the cliff to the fishing access and join the trail to the north along the river. After a mile the trail climbs up to the right and across a meadow, then drops back to the highway where you started.

History & Background

Some of these trails are very old native American routes, and homestead trails from the 1500's.


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May 2, 2020
Stefy Bau
The Las Choncas Peak trail is not rideable. You need to do the fire road until the cattle grate. You can pick up the trail by turning right just after 23.4mi — 4h 00m
Sep 16, 2017
Scott Blackford
Completed the South side only. Lots of overgrowth. If it wasn't for cell signal and MTB project, we would have missed the trail. 19.3mi
Oct 3, 2015
christina ting
Trail through burn area is not rideable; a fireroad alternative starts just east on Hwy4. Loop is mostly fireroad, E.Fork section by far the nicest

Trail Ratings

  2.8 from 6 votes


  2.8 from 6 votes
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in New Mexico


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3,561 Since Apr 3, 2015



One of several rideable bridges across the East Fork of the Jemez River.
Oct 8, 2014 near Los Alamos, NM
This is a video of "most" of the point-to-point classic ride of Las Conchas to Battleship Rock.  It begins once up on the ridge out of the East Fork Creek Canyon (Las Conchas), where the descending really starts.  It's nice and flowing at first, but then gets more difficult throughout the ride.
Aug 19, 2016 near Los Alamos, NM
Coyote Call Trail
Feb 6, 2015 near Los Alamos, NM
Valles Caldera National Preserve.
Sep 14, 2016 near Los Alamos, NM


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