Route: Alta-Brighton Loop (UT)

The Alta-Brighton Loop is takes one through some of the most picturesque and beautiful parts of the Little Cottonwood Canyon and Big Cottonwood Canyon. Starting and finishing at Alta’s Albion Base parking lot, the trail goes up and over Twin Lakes Pass, around Twin Lakes Reservoir, through Brighton Resort, and weaves amongst Lakes Mary, Martha, and Catherine. The route then climbs over Catherine Pass and plunges back down through Alta Ski Area, all the way back to the start.

https://www.discoveralta.com/hike-to-alta-brighton-lakes/ 

https://www.alltrails.com/trail/us/utah/alta-brighton-lakes-loop