One of its plateau tributaries, Rio Pedregal, rises on the slopes of Cotopaxi and is celebrated for its three beautiful cascades, the highest of which is about 220 ft.
According to Whymper, the tambo of Chuquipoquio, at the foot of Chimborazo, is 11,704 ft., and the hacienda of Pedregal, near Iliniza, 11,629 ft., both being permanently occupied.
Ruiz Zorilla found ff0 response from the Republican masses, who looked to Pi y Margall for their watchword, nor from the Republican middle classes, who shared, the views of Salmeron, Azcarate and Pedregal as to the inexpediency of revolutionary methods.