Hype:
Biscuit Basin in the Old Faithful Area is home to Sapphire Pool, Mustard Spring, Avoca Spring, Shell Geyser, Jewel Geyser, and several other geothermal features.
Trail Condition: Class 0 (Trail is paved. No elevation gain.)
Time: 25 minutes
Length: 0.6 miles round trip
Elevation Gain: Negligible
Fees: Entrance fee
Recommended Ages:
![]() | 0-3 |
![]() | 4-11 |
![]() | 12-19 |
![]() | 20-49 |
![]() | 50-69 |
![]() | 70+ |
Recommended Months to Visit:
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Navigate to 44.485050, -110.852547.
Biscuit Basin is part of Upper Geyser Basin.
The following information was taken from the Old Faithful Area Trail Guide, which is available at the Old Faithful visitor center.
Three miles (5 km) north of Old Faithful is Biscuit Basin, named for the unusual biscuit-like deposits that used to surround Sapphire Pool. Following the 1959 Hebgen Lake Earthquake, Sapphire erupted, and the "biscuits" were blown away; it last erupted in 1991. Sapphire remains one of the most beautiful blue pools in the park. Mustard Spring provides a bright color contrast, and Jewel Geyser adds excitement as it erupts every 7-10 minutes.
Closest City or Region: Yellowstone National Park, Wyoming
Coordinates: 44.485050, -110.852547
By Jeremy Dye
Jeremy Dye, Tara Dye, Savannah Dye, Madilyn Dye, Cooper Dye, Laura Dye, Anthony Dye, Arianne Dye, Miller Dye, Kingston Dye, Jaren Wagner, Killian Wagner, Calliope Wagner,
Dad caught the sickness in the middle of the night and threw up for most of the day. Ondy was also still out with the pukes for the whole day. The rest of us drove into Yellowstone.
We stopped at Midway Geyser Basin first and walked around Grand Prismatic Spring in the pouring rain. We got soaked.
Then the weather cleared up and we went to Biscuit Basin next.
After that, we went to the Old Faithful visitor center. The kids got junior ranger books, and we ate a picnic lunch on the benches. Then we watched Old Faithful erupt. All the other groups headed back after that, but my family stuck around so the kids could finish their junior ranger activities. We watched Old Faithful erupt a second time and listened to a ranger program.
Oklahoma by the Playmill Theatre
Canyon Visitor Education Center
By Jeremy Dye
Jeremy Dye, Tara Dye, Savannah Dye, Greg Dye, Laura Dye, Zac Dye, Bryce Ball,
By Jeremy Dye
Greg Dye, Laura Dye, Jeremy Dye, Anthony Dye, Ondylyn Wagner, Zac Dye, ,
We went to Yellowstone as a family. We drove the loop and stopped at most of the overlooks and short hikes.
Brink of the Lower Falls Trail