Is there anywhere to camp where I can bring my horse

Yes, the park has equestrian day use and primitive equestrian camping (6 sites) at the Limpia Canyon Primitive Area.

There are 6 primitive sites, 8 persons per site. There is non-potable water in a horse trough. The siteare located in Limpia Canyon Primitive Area.

You can call the park rangers and ask. There should be some spots around.