The Upper Geyser Basin map is from Heinrich Koenig's Geyser Information.
Sub Maps
[ Geyser Hill Group and Old Faithful Area ] [ Castle Group
and Sawmill Complex ]
[ Grand Group
] [ Daisy
Group, Giant Group and Grotto Group ]
[ Riverside
and Morning Glory Group ] [ Old Road Group ]
[ Biscuit
Basin ] [ Black Sand Basin ] [ Myriad Group ]
[ Return to Yellowstone's Geysers ] [ Return to GOSA Home Page ]