"Not all those who wander are lost." – J.R.R. Tolkien

Ride Report: Mammoth Rock Trail

Mammoth Rock Trail is a quintessential ride that every mtb’er who visits Mammoth Lakes must put on their list!  It’s 95% singletrack with gorgeous views of the town all the way across to the Long Valley Caldera and the White Mountains.  This trail is open to equestrians, hikers, and trail runners – so be aware.  Although many people ride it “down” as a shuttle (described here), you can climb up it, do it as an out and back, or loop it with Old Mammoth Rd (pavement) as well.  It’s also great to link up with the Panorama Dome Trail, coming down from the Mammoth Mountain Bike Park on the Lakes Trail, etc – contact us about putting together a great ride.   The last section right before you reach Sherwin Creek Rd can be pretty sandy, and overall trail conditions vary depending on horse traffic – but all in all, it’s stellar riding, with a few technical sections and some exposure.  Intermediate to advanced descending skills a must.

WINTER RIDING:

This can be a great trail to ride on a fat bike once the snow starts flying.  Early winter, or when there’s not too much snow, it can be amazing.  It tends to be packed well by snowshoers and hikers during the winter holidays.  For more riding, it can be combined with the Old Mammoth Rd Snow Ride and/or the Meadows Ride.  NOTE: Once there has been enough snowfall, the Sherwins (the mountains that the trail traverses) becomes a very popular area for skiing.  Please DO NOT try to ride this trail, or pack the trail for snow riding during these periods.  We don’t want to create any danger for backcountry skiers/snowboarders crossing through!  Not sure about proper riding conditions?  Contact us and we’ll give you the thumbs up or down for snow riding.

  • Ride Type:  Point to Point, as described (although you can out-and-back or loop it with Old Mammoth Rd as well)
  • Difficulty: Moderate to Advanced descending skills required.  Some technical/ rock gardens and exposed sections with steep drop offs.  If climbing, it can be fairly strenuous depending on trail conditions.
  • Time of Year: Summer and Fall (sometimes late spring – depending on snow pack)
  • Terrain/Conditions: Almost all singletrack (doubletrack for the last 1/4 mile before reaching Sherwin Creek Rd)
  • Access: Since this is described as a shuttle, you’ll need to leave one car by the lower trailhead.  From town, go south on Old Mammoth Rd.  Just past Mammoth Creek Park, make a left on Sherwin Creek Rd.  Drive for 1/2 mile and park off to the right by the propane tanks / dog walking area (right before it turns into a dirt road).  Leave one car here.  Head back to Old Mammoth Rd and go left towards Old Mammoth.  You’ll go past Snowcreek Athletic Club approx. 1.5 miles.  After a steep curve to the left, you’ll see a dirt parking area and the trailhead sign on the left.  Park here.
  • Length: 2.6 miles (one way)
  • Approx. Time: 15-30 minutes (downhill only)
  • Lowest Elevation: 7,870′
  • Highest Elevation: 8,526′
  • Total Elevation Gain: 281′
  • Bike Recommendation: Full-Suspension MTB is best, but hardtail will work as well, or a Fat Bike too
  • GPX File: Available by contacting us
  • Interactive Trail Map and More Info: Visit MammothTrails.org
  • Link to Strava Segment

Turn By Turn (in miles):

No turn by turn directions for this ride, as it’s only one singletrack trail with no intersections except for one “Y” at the bottom where you stay to the right (even if you go left at the “Y” you’ll still wind up at your car).  Once you hit Sherwin Creek Rd, go left to reach your car at the lower parking area.

Mammoth Rock Trail Map

Mammoth Rock Trail Map

Mammoth Rock Trail elevation profile

Mammoth Rock Trail elevation profile

Views of Mammoth Lakes and the White Mountains from Mammoth Rock Trail

Views of Mammoth Lakes, Glass Mountains and the White Mountains from Mammoth Rock Trail

Mammoth Rock lurking in the background while shredding sweet singletrack

Mammoth Rock lurking in the background while shredding sweet singletrack

Mammoth Rock Trail on a fat bike in early winter

Mammoth Rock Trail on a fat bike in early winter

Riding the Mammoth Rock Trail at dusk on the fat bike - such a beautiful ride.

Riding the Mammoth Rock Trail at dusk on the fat bike – such a beautiful ride.

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2 responses

  1. Pingback: Ride Report: Horseshoe Lake Loop |

  2. Pingback: Ride Report: Panorama Dome Mountain Bike Trail |

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