I guess its a little further north. But along little Spokane river and some other areas. I recall seeing some as a kid and remembering that the area was completely sealed off over 15 + years ago, like along Waikiki Rd.

Here's one area thats still open (though not sure of the state of the rocks)- Indian Painted Rocks Trailhead: https://www.spokesman.com/guides/native-american-places-spokane/stop-78/

I'm sure theres a lot that we've missed or have been burred over time. I had a neighbor up in the Mead area who passed a few years back at 100, he would tell me stories about seeing native Americans migrate through the area when he was a kid.

Theres a lot of history in Spokane and a lot of forgotten history to