Punch Bowl Spring is located in the Upper Geyser Basin. The boiling spring is about 12 feet wide and 30 feet deep. The raised rim of siliceous sinter is about 30 inches high (Schreier, 2005).
The URL is: https://gotbooks.miracosta.edu/gonp/yell/historic/html/PunchBowlSpring.html
Last modified: 10/17/2009