Page:A Guide to the National Parks of America (1915).djvu/75

 The greatest attraction here is Excelsior Geyser, which was the largest geyser in the park, but which has not been active since 1888. The beautiful tints and colors of Prismatic Lake and Turquoise Spring make them worthy companions.

Biscuit Basin (6 miles from Fountain) is in reality the lower end of the Upper Geyser Basin. There is a good camp site here, the next being near Riverside Geyser 1½ miles farther. Fishing here, and in fact all the way from Nez Perce Creek, is good, but the constant fishing makes the fish wary.

The road forks opposite Biscuit Basin; the road on the right should be taken if Biscuit Basin is to be visited; if no stop is to be made at Biscuit Basin, either road may be taken, as they unite near Mirror Geyser.

Biscuit Basin is on the west side of Firehole River and is reached by a footbridge. Sapphire Pool, one minute quiet and two or three minutes later violently boiling, is the attractive feature here; the peculiar formation at its south end gives the name of "Biscuit" to this basin. A short distance west the Jewel and Silver Globe are small geysers whose