 The two farms that make up Solitaire, the businesses, and other area land holdings, are now part of the 45,000 acre Solitaire Land Trust, which is focused on habitat preservation.This semi-arid region, frequented by drought, is home to healthy populations of wildlife, including the endemic Hartmann's mountain zebra.Farm Solitaire starts at the Great African Escarpment, an important watershed, and includes grasslands, gravel plains, ephemeral rivers and stretches to the edge of the Namib, one of the oldest deserts in the world.