YNP Thermal Feature: Emerald Spring

Thermal Map; Gibbon Canyon (Map) -> Norris Geyser Basin (Map) -> Back Basin -> Emerald Spring


Enlarge		Credit: NPS

Approximate Location of Emerald Spring:

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Emerald Spring
YNP Thermal Inventory ID: NBB158
Feature Type: Hot Spring
Lat: 44.7256454
Lon: -110.7041828
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A hot spring's color often indicates the presence of minerals. In a clear blue pool, the water is absorbing all colors of sunlight except one, blue, which is reflected back to our eyes. Here in Emerald Spring's pool, another factor joins with light refraction to give this spring its color. The 27-foot (8 m) deep pool is lined with yellow sulfur deposits. The yellow color from the sulfur combines with the reflected blue light, making the hot spring appear a magnificent emerald green.

*Adapted from the NPS Norris Geyser Basin Trail Guide and the Norris Interactive Map

Data Available:

YNP Thermal Inventory Data

Date	Description	pH	Temp (°C)	Vent Temp (°C)	Conductance (µmhos/cm)
08/11/1998		4.55	83.3	0	2600

*Indicates an unofficial name

Note: The YNP RCN is working closely with the YNP Spatial Analysis Center to provide the most accurate and up-to-date information on geothermal features, however, errors do exist. Any questions or concerns regarding features found on this site should be directed to the YNP RCN before contacting the Spatial Analysis Center.