This is another must do. It can be done as a day trip or an overnighter. Cascade Canyon is one of the most beautiful parts of the park in my opinion. You get amazing views of the mountains, awesome wildflower filled meadows, the crystal clear Cascade Creek, and a lot of wildlife, and great camping spots. To get on the trail, take the shuttle boat across Jenny Lake to the West-shore boat dock. If you haven't seen Hidden Falls (or even if you have) take the short detour to check that out. The crowd will thin out dramatically after you pass Inspiration Point. Follow the trail 4.9 miles up Cascade Canyon unitl the junction where the trail splits into South and North Forks of Cascade Canyon. Take a right up the North Fork. Lake Solitude is 2.7 miles from this point.