Free camping around Mammoth Lakes is available in the form of dispersed camping in the surrounding Inyo National Forest. Dispersed camping is allowed outside of developed campgrounds, and there are no facilities or amenities provided. Popular areas for dispersed camping near Mammoth Lakes include Glass Creek, Hartley Springs, and Big Springs. Keep in mind that you should practice Leave No Trace principles and follow any posted regulations when camping in these areas. For more information on camping around Mammoth Lakes, visit Hipcamp.