Overview thompson creek trail is a 2.6 mile out and back trail located near Claremont, California. The trail is good for all skill levels and primarily used for hiking. Reviews Photos Tracks Sarah Castillo (160) 8 months ago N/A: 4 Completed 1 Reviews I just ran this trail today! It is beautiful. I got there about 9:30 am on a Monday. It was busy but not too busy where it felt over crowded. The smell is fresh and woodsy. They have water faucets and a restroom. The path is cement and pretty flat. I loved it. People were very friendly and said hello as I ran. You can take dogs on a leash. They have poop bags along the way for you to clean up messes. You do have to pay to park or park in the residential area near the fire station for free.