Storms are clearing, mountain trails are melting out, and the days are as long as they’ll ever be: It’s officially summer. With all those clear, sunny days, though, comes heat. Whether you just want to enjoy the cool breeze swirling over the lake side or take a swim in some glacial melt, a backcountry watering hole is the answer to all your sweltering woes. Here’s six lake hikes to chill your toes in this year.