Not a real park. I turn off the freeway way from 35 south to go down under the bridge. There's access on both sides of the freeway off 35. Nice graffiti art to take pictures of. Seen some people down there at the same time but no one bothers me. Nice little area to wonder in the Jeep but nothing major. Wouldn't recommend a car.

There's no good way to get here. But once you do it's a very nice creek. We explored from the East end at I-35, with the creek fairly full. We were able to walk up as far as the small dam. Before they built The Mansions, it would have been

Not that great. Just a dirt road with lots of potholes..weeds are high...I couldn't see the road and I ran over a big rock.my truck came down on it and scraped all down the bottom of my truck. I dont know If this is a real park

I camp out and explore the area , sometimes I fish , pickup trash but it's good for backwoods exploring

Google maps takes you to an apartment with no obvious entrance to a park of any kind

Very challenging fishing spot but it's a great place to get away

i35 over onion creek has amazing Art under the bridge.

Onion Creek will always have a place in my heart

Lots of dudes digging up Indian mounds

Not even a real park. No entrances

Austin's Underground Art

Good time