They have high standards for safety, climb most of the peaks in the central sierra, and also offer mountain-climbing courses.

(800) 626-6684, www.mammothmountain.com Surfers can drive to Mammoth, in the central Sierras, from Los Angeles or San Francisco in less than six hours.

He was chief of the field party that explored the central High Sierra in 1864.

Mammoth Mountain Ski Area, in the central Sierra 250 miles northeast of Los Angeles, is the only ski resort in the state that is open.

Mountain hemlock may be the most common tree species in the subalpine zone, especially in the central and northern Sierra.

The inferior layer developed in the area of the central sierra and contributed to the growth of the eastern part of the island.

Most of these peasants arrived from the regions of Junín and Huacanvelica in the central sierra of Peru.

The War of the Pacific also sparked an indigenous peasant guerrilla movement throughout the central Sierra against Chileans and collaborationist landlords.

In 1886 and 1888 the Cáceres sent troops to the central sierra to disarm the peasants.

The storm affected the central Sierra and South Bay areas.

With real wages, for those lucky enough to have jobs, eaten away by inflation, workers responded with a general strike in Guayaquil in 1922, and a peasant rebellion in the central Sierra the following year.

(800) 626-6684, www.mammothmountain.com Surfers can drive to Mammoth, in the central Sierras, from Los Angeles or San Francisco in less than six hours.

He was chief of the field party that explored the central High Sierra in 1864.

Mammoth Mountain Ski Area, in the central Sierra 250 miles northeast of Los Angeles, is the only ski resort in the state that is open.

Mountain hemlock may be the most common tree species in the subalpine zone, especially in the central and northern Sierra.

The Otavalos of northern Ecuador, the Saraguros, and the Salaacas in the central Sierra resisted hacienda intrusion and domination by whites and mestizos.

After a number of initial successes, Sucre's army was defeated at Ambato in the central Sierra and he appealed for assistance from San Martín, whose army was by now in Peru.

The War of the Pacific also sparked an indigenous peasant guerrilla movement throughout the central Sierra against Chileans and collaborationist landlords.

The storm affected the central Sierra and South Bay areas.

With little effective Peruvian central government remaining, Chile pursued an ambitious campaign throughout Peru, especially along the coast and in the central Sierra, penetrating as far north as Cajamarca, seeking to eliminate any source of resistance.