Ascent of Sierra el Rosario High Point on 1997-02-01

Climber: Richard Carey

Date:Saturday, February 1, 1997
Ascent Type:Successful Summit Attained
Peak:Sierra el Rosario High Point
    Elevation:1870 ft / 569 m

Ascent Trip Report

In the town of San Luis Rio Colorado go east on Mexico Hwy. #2. After travelling about 41 miles look for a white sign on your right by a dirt road which is 0.3 miles east of the 128KM post. From this turn off it is another 0.3 miles further east to a store at La Joyita at the127KM post. For those with a GPS unit the turn is at UTM: 776140E, 3571210N in zone 11S. Reset your odometer and go south on a good dirt road past the Biosphere Reserve sign. At 0.8 miles go right at a junction and at 1.5 miles go left at another junction. Continue on the best looking dirt road heading generally SW toward the mountain range. At 6.8 miles reach an old corral and the start of sandy conditions where 4WD will most likely be needed. Continue through the dunes on a track lined with trash to a junction at 12.0 miles where you can go straight or right around the range. This junction is at: 766820E, 3556140N. Continuing straight, the road goes south around the range and then west to a shack at 17.6 miles. Curve northwest and at about 18.2 miles turn off right and drive in toward the base of the mountain. From here the highpoint is about 1/2 mile east. Hike NE up a canyon to a prominent saddle on the ridge north of the summit. From the saddle backtrack some and go over a little ridge and drop into a steep chute that leads south all the way up to the ridge. At a point in the chute about 100 ft. from the crest go right through a notch where you will see the true highpoint SW across a chute that slopes steeply down to the right (north). Contour left and make your way up a steep face to the ridge and then follow the ridge to the top. The ascent is class 3 and takes about 2 1/4 hours with an elevation gain of 1500 ft. 1/97 RLC
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