Betty Lake is located approximately 3 miles southeast of Silver Lake and 1 mile SE of Coopers Meadow (swamp. There are no improvements and no trail to this lake. Says John Andrews
The Southern Cascade Range scenery is always beautiful. You'll really wish for more hours in a day to enjoy all the fun things in the Southern Cascade Range. A great site like Lassen National Forest in close proximity to Betty Lake is too splendid to leave out. Visiting Lassen
Volcanic National Park is just something you need to do if you haven't yet. Going for a trek outdoes anything; the 121.7-mile-in-length Pacific Crest Trail - section 16 is in the vicinity; it has an altitude difference of 6,284 feet.