Barranco de Alpan is located in Sierre de Guara natural park, in Aragon province of Spain. Less interesting that
Barranco de Lumos, his neighboring canyon, this
barranco work the descent to admire a big colapsed undercut, nice
oscuros and
estrecho. The canyon requeres a rope of 50 meters or two ropes about 25 meters each. This
barranco flow only after a rain period and it is usualy dry most of the year with stagnant photoles.