Caballo Lake a rest stop during their travels, and eagles are often seen in the area. Caballo Lake is named for the Caballo Mountains that border the lake to the northeast, east, and southeast, in which wild horses roamed; Caballo means "horse" in Spanish. The upper area of the lake is very shallow and in recent years has been blocked from the lower, deeper end of the lake. The water has a slightly brownish hue from a distance, due to the shallow waters (usually about at the deepest point). The beaches of Caballo are rocky when compared to Elephant Butte Reservoir, but
Caballo Muerto de los Reyes. Several of these buildings exhibit a "U-shaped" layout that is common for Cupisnique sites. The walls are decorated with reliefs depicting snakes, cats and other images. Apart from the Huaca de los Reyes, there are the following constructions: The estimated volume of material (stone and silty clay) used for the six Early Formative Caballo Muerto Complex mounds is about 510,000 cubic meters; construction took place over a period of about 500 years. Huaca Herederos Chica is a monumental site that is part of the Caballo Muerto Complex. This mound was excavated from 1970 to 1973, and is