Mogensen Trail

She said the Mogensen Trail was covered with poison ivy and stinging nettle. She also came across what she thought was a rattlesnake.

There's a big section of land for sale in the Snake River Canyon between Centennial Park and the Perrine Bridge and it includes part of the Mogensen Trail.

It's listed as an intermediate hike online, and takes people from Centennial Park to under the Perrine Bridge.