Blue Pool is a very accessible trail between Eugene and Bend, where folks can hike a 4.2 mile out and back section of the McKenzie River Trail to a beautiful spot where the McKenzie River comes out of the ground and forms what is called Blue Pool (aka Tamolitch Pool).​ The McKenzie River Trail is a 26 mile long trail that runs along the McKenzie River, and is a very popular trail for hiking and mountain biking. There are various different sections of the 26 miles trail that you can hike if you are not up to doing the entire trail. Blue Pool is a spot where the river comes back up to the surface, after being underground for two miles. This creates a glass-like pool of extremely cold blue-green water.