Like other reviewers, we tried to get a first come/first served spot up in San Isabel NP but were too late. We found GMP in Colorado City and was told they never turn away a tenter. There are a number of spots aligned below a bluff, and a large open field for additional tents. We set up in site 20, which actually was very spacious and more private than a lot of the others. Plenty of trees, a small creek, and trails. Woke up to an 8-point deer munching in the bushes. Cons- -some traffic noise -no toilet nearby, but a clean shower house was available for use a short drive away. -camp has a lot of litter on site Otherwise it was a good experience.