Volcanic Springs

Geysers, Hot Springs,
Mud Pots, and Fumaroles

Upper Geyser Basin, Daisy Group

Daisy Group lies on the left side of the old road from Old Faithful Geyser to Morning Glory Pool. A loop trail, encirceling the main features of the group, branches off from the old road and also leads back to it. Starting from the fork closer to Old Faithful and following the loop clockwise, Bank Geyser is the first noteworthy geyser at some distance on the right side. It plays every few minutes up to 2 m (6 feet) height.

Bank Geyser erupting and quiet (roll mouse over picture):

Bank Geyser Yellowstone

Bank Geyser Yellowstone
Downslope of Bank Geyser some small spouters appear, called "The Bubblers".

The Bubblers:

The Bubblers, Daisy Group, Yellowstone

The Bubblers Yellowstone
Upslope of Bank Geyser, but impossible to spot if not erupting, Zig Zag Spring and Radiator Geyser are located. Radiator Geyser is rarely active, so most likely you may observe Zig Zag Spring playing up to 60 cm (2 feet) high at an interval of some hours. The name refers to the arrangement of several vents along a jagged fracture.

Zig Zag Spring:

Zig Zag Spring, Daisy Group, Yellowstone

Zig Zag Spring Yellowstone
To the west Bonita Pool adjoins, a quiet pool close to Daisy Geyser. In Bonita's nothern shoulder small geysers are embedded, called "Bonita's Sputs", which are playing short before Daisy Geyser starts.

Bonita Pool and Bonita's Sputs:

Bonita's Sputs, Daisy Group, Yellowstone

Bonita's Sputs Yellowstone
Daisy Geyser is one of the most famous geysers of the Upper Basin. Its interval ranges between 2 and 3 hours and the characteristically angled jets may reach a height of 23 m (75 feet).

Daisy Geyser:

Daisy Geyser Yellowstone

Daisy Geyser
A few feet farther west Brilliant Pool is located in front of Comet Geyser. Brilliant Pool acts as a geyser on rare occasions, but it only erupts in concert with nearby Splendid Geyser.

Brilliant Pool and Comet Geyser:

Brilliant Pool and Comet Geyser Yellowstone

Brilliant Pool Yellowstone
Comet Geyser can be best observed from the northern boardwalk. It shows nearly perpetual activity.

Comet Geyser:

Comet Geyser Yellowstone

Comet Geyser
Splendid Geyser is the largest geyser of the group, performing more than 65 m (210 feet) high. Unfortunately it is dormant most of the time. The last eruption has been recorded in 1997.

Splendid Geyser:

Splendid Geyser Yellowstone

Splendid Geyser
The section south and southeast of Splendid Geyser is perforated by many vents and small pools. Even if here, after Daisy's Thief Geyser went dormant in the early 1970s, no longer significant eruptions can be observed, minor spouting activity of some of the pools is not uncommon. The following picture shows an unnamed pool 6 m (20 feet) southeast of Splendid in August 2015.

Pool southeast of Splendid Geyser, seen from north:

Spouter southeast of Splendid Geyser Yellowstone

Spouter southeast of Splendid Geyser Yellowstone
Northwest of the Daisy Group loop trail a huge geyserite mound emerges from the valley floor. In the prehistoric past White Pyramid Geyser Cone probably was one of the major geysers of Yellowstone. Some activity continued at least until 1880 (see Charleton Watkins, The complete Mammoth Photographs).

White Pyramid Geyser Cone:

White Pyramid Geyser Cone Yellowstone

White Pyramid Geyser Cone Yellowstone
At the eastern base of White Pyramid Geyser Cone a geyserite platform shows up, which is home of Pyramid Geyser. Often overlooked due to its brief play and remote position, it erupts up to 2.5 m (8 feet) high at an interval of some hours.

Pyramid Geyser erupting:

Pyramid Geyser Yellowstone

Pyramid Geyser Yellowstone

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