The dog in the picture was with me. Her name is Lily.
The round pen was TINY.
At least the horse was gelded. You can't tell from the picture, but he had rain rot all over his back and he had white hair on his whithers from saddle sores. His nose was also badly sunburnt.
This is the mare that was loose.
The water in the roundpen.
Right before I left, I noticed that there was a water source OUTSIDE of the round pen. Almost as if the mare was supposed to be loose. The road was not very far away, maybe about a hundred or so feet. She could have easily wandered off and gotten hit.
As I was leaving, I noticed this "fence". It was about two feet off of the ground. She probably stepped right over it and walked over to the round pen to be with her buddies. There was also a massive pile of trash to the right. My phone ran out of memory, though, so I couldn't take any more pictures of the scene.
I want to help these horses, but I am not sure if I should. They could be rescues. On the other side of the barn and to the left a bit, there was this shed with about three roundbales in it, and there was evidence that they were being used. So maybe these people took in the horses to rehabilitate them. Another reason is that I was technically trespassing, even though I didn't mean to. I guess I should have left, but I felt like since no one else was around (in spite of the dogs barking like hell), the mare's life was in my hands. She could have followed us back down the path and onto the road and gotten killed. Or she could have wandered too far towards the house and onto the road and gotten killed. And that kind of negligence is just so WRONG. I was angry and sad for the horses, especially the loose mare. I don't know what to do about this, if I should leave it and forget about it or call Animal Control and have them rescued. Horseforum, what are your thoughts? What is the right thing to do?