Leashed dogs are welcome on the trails. Pets are not permitted in any state park buildings. The Franklin Mountains provided most of the basic necessities of life for early people here. Today, the mountains meet a different human need – our need for time in nature. Come explore these high-desert mountains, just 15 minutes from El Paso. Explore almost 27,000 acres (about 40 square miles) on over 100 miles of trail.