A cave with a little grab Chaparro quality. 
There are few routes because there is very difficult to fit.

Season: 
all year ,because if it rains as the cave is no problem and not very wet day.
Type of climbing: 
Sports
Where to buy things and eat: 
In the valley of the ghosts, as this can now be 5 km encontarar nurseries

No. of routes: 
5
Grades: 
From 10b to 13c 

Type of route: 
Roof
Type of rock: 
Limestone
Recommended equipment: 
- 12 bands 
- 50 m rope 
- Long ring
Getting There: 
From SanLuisPotosi must take the road to self-river green 
once in the mountains have to turn right where the sign says micoondas the cballos, 
must pass a gate and 3 red curves you later seasons. 
Reference point in a curve to the left and there is a tree fungus that appears. 
Climb and the descent you will find the village.
Walk closer: 
- 5 min downhill
Where to stay:
*Find hotels Or
Here you can camp 
Sierra de Alvarado is pretty …