Hiking in Chile trail was created. The foundation "Sendero de Chile" focuses now on environmental education. Iquique is an important port city in the far north of Chile and is the capital of the country’s Tarapacá Region. Terrain in Tarapacá includes the Pacific coast, the dry Atacama desert and the salt flats and volcanoes of the Andean altiplano. There is currently one Sendero de Chile trail in this zone, the Kala Uta trail. This trail stretches 26 km south from the small town of Colchane, just outside the Volcán Isluga National Park, to the village of Cariquima. The trail reaches altitudes of 3,700
Flora of the Sonoran Desert absent on the California side of the Colorado River. Desert Holly ("Atriplex hymenelytra") can tolerate even the hottest and driest sites. The area where two vegetation types border, overlap, and transition is called an ecotone. The ecotone between the hotter, drier Colorado Desert and that of the relatively cooler and wetter Arizona Upland occurs from Parker, Arizona southeast to near Phoenix, then south to Organ Pipe Cactus National Monument. Density of vegetation gradually diminishes moving from the Arizona Upland into the Colorado Desert proper. can be found with stems climbing through shrubs and other vegetation, producing "spectacular" floral displays on