|Figure from the panel at Cub Creek in Dinosaur National Monument|
Swelter Shelter is located on a trail from the main quarry site to the visitor's center. It's a relatively small site, but still worth the hike.
Images from Cub Creek
The Cub Creek site is located right off the road along the Tour of the Tilted Rocks Scenic Drive.
Images from Pool Creek
The Pool Creek site is located right next to the road on the route to Steamboat Rock and Echo Park. The road can be tackled with a four-wheel-drive vehicle, if you are careful. A high clearance vehicle is recommended.
This link takes you to the National Park Service guide to rock art at Dinosaur National Monument.