Visit nature's water park at Little Backbone Creek - the smooth waterfall is the ultimate waterslide.
Directions from Shasta Lake: Little Backbone Creek is across from Digger Bay, and only accessible by boat. Head into the inlet, go all the way to the back until you hit the creek and anchor. Hike up the creek, which is in a canyon. You'll pass a series of crystal clear ponds and boulders. It takes about 20 minutes to get to the waterslide. Use caution as rocks are slippery and conditions differ from season to season and year to year.