It brings me an immense amount of joy to share the name of the hike!

Thanks to toro_mike (and his hiking friends?) we have confirmed it is the Continental Falls and Mohwak Lakes, near Breckenridge.

He found an online gallery of the hike here:
http://www.lightrainproductions.com/...eryFifteen.htm

Which also happened to have the exact same mining tower (it is quite distinct)



Here it is from my hike pictures: