The lake straddles the continental divide at Craig Pass .
The lake was first discovered in 1891 by Hiram M. Chittenden , who was exploring the best routes for a road to connect Old Faithful and West Thumb geyser basins .
The lake straddles the continental divide at Craig Pass and was first discovered in 1891 by Hiram M. Chittenden , who was exploring the best routes for a road to connect Old Faithful and West Thumb geyser basins .