Marathon, Texas is located in a remote section of West Texas known as the Big Bend Region, in Brewster County which fortuitously is the largest county in the country with the lowest population density. It is situated in what is known as, the Great Marathon Basin, and surrounded by mountains which protect it from light intrusion from neighboring towns.
An elevation of approximately 4100' in a dry, high desert environment, in addition, the Marathon Motel/RV and Marathon Sky Park is located a half mile west of the community of Marathon, Texas, on approximately 10 acres under a Class 1 Dark Sky.No wonder Marathon and the Marathon Motel/RV and Marathon Sky Park boasts some of the darkest skies in the lower 48 contiguous United States!
Amenities include wifi, 3 level concrete pads featuring 110 power, and a shade cloth barrier to prevent any stray light intrusion. Click here for more information.
Marathon is a Scale 1 on the Bortle Light Pollution Scale. What does that mean? It's dark! As a matter of fact, as dark as it gets without going to space!
(Inset: light pollution map of southern Texas)
Marathon Motel's Astrophotography Gallery
Bortle Light Pollution Scale
Marathon Clear Sky Chart
NASA-NOAA Satellite Reveals Stunning Views of Earth at Night