Gibbon Geyser Basin along the Gibbon River consists of the Chocolate
Pots, Sylvan Springs, Artist Paint Pots, Geyser Creek, Gibbon Hill and
Monument Basin. Each group is small but unique and different in size,
shape and color. The Chocolate Pots are the most unusual group. They
consist of a small collection of dark-brown cones colored by sinter
containing more than 50% iron oxide.
Sylvan Springs Group, located along the
western edge of Gibbon Meadows, contains many small acidic hot springs,
including Evening Primrose Spring. Evening Primrose was popular at the
turn of the century. It was a deep crystalline spring similar to Morning
Glory Pool. However, its pH changed from alkaline to acidic. A sulfur-loving
bacterium covered the surface and changed 'As appearance. It is now
considered one of Yellowstone's "ugliest" pools. Artist
Paint Pots bubble and boil in colors of gray and pink. There are also
several small constant geysers in the group. Monument
Geyser Basin is unique in that tree trunk-like cones stand upright in
a barren and desolate basin.
Temperature 130°F The Chocolate Pots are colorful and unusual formations
located along the Gibbon River and the road between Elk Park and Gibbon
Meadows. They are unique for their rich, dark-brown, chocolate color.
The three to four-feet-high cones have green, yellow, brown and orange
streaks formed by warm, water loving bacteria and algae. Mineral oxides
are responsible for the dark-brown color. Iron, aluminum, nickel and
manganese oxides compose nearly 60% of the pots, with silica composing
an additional 17%.
- 98 Minutes
~Telly Award Winner for Nature
Two years in the making
and just released, "The Wonders of Yellowstone" video
has been highly requested, produced in DVD format and is now available.
Take a complete tour of Yellowstone National Park as our Narrator
Cathy Coan guides you to all the wonders of the park including
all the geyser basins, wildlife, waterfalls and much more.
We previously sold
travel packets but these packets, maps and trail guides are all
available at the park for free or minimal charge.
Info or Order Online
ARTIST PAINT POTS
Temperature 185°F The Artist Paint Pots are the most popular feature
of the Gibbon Geyser Basin. They are isolated in the lodgepole forest
at the end of a half mile hike. The group was named after the pastel
multicolored mud pots. Iron oxides have tinted white mud various colors
of pastel beige, pink and slate. The thickness of the mud varies from
season to season. In the spring and fall the mud pots are thin and soupy,
and the mud bubbles and boils. By late summer the mud pots thicken and
may hurl hot mud 10-15 feet high. Mud cones will also form when the
mud is thick only to dissolve into mud pots when excess moisture is
Temperature 194°F Interval none, Duration steady. Height 1-3 feet. P.W. Morris named this feature in 1878 for its cylindrical cone. Monument
Geyser, also called Thermos Bottle, is a ten feet tall cone formed in
a thermos bottle shape with a small diameter. It is a steady geyser,
but it ejects very little water from the vent. It emits a constant,
low hissing sound. Because of its height and age, Monument Geyser is
in the process of sealing its vent with internal deposits of sinter.
Several nearby cones have already sealed their vents and have become