A hot spring
is a spring that is produced by the emergence
of geothermally-heated groundwater from the earth's crust. There are hot
springs all over the earth, on every continent and even under the oceans and
seas.
 
The water issuing from a hot spring is heated by geothermal
heat, i.e., heat from the Earth's interior. In general, the temperature of
rocks within the earth increases with depth. The rate of temperature increase
with depth is known as the geothermal gradient. If water percolates deeply
enough into the crust, it will be heated as it comes into contact with hot
rocks. The water from hot springs in non-volcanic areas is heated in this
manner.
In volcanic zones such as Yellowstone National Park, water may be heated by
coming into contact with magma (molten rock). |
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Alphabetical Listings
| Add a new listing Link Your Listing Update a listing Cant' Find it? | | | Calistoga Spa Hot Springs,
1006 Washington Street, Calistoga, CA 94515 707 942-6269 | |
Dr. Wilkinson's Hot Springs Resort
1507 Lincoln Avenue, Calistoga CA 94515 US 707 942-4102 |
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Golden Haven Hot Springs
±
1713 Lake Street, Calistoga Ca 94515 707 942-6793 | | Indian Springs,
1712 Lincoln, Calistoga, Ca 94515 707 942-4913
| Nance's Hot Springs
1614 Lincoln Ave, Calistoga, CA 94515-1334 707-942-6211 | | Roman Spa Hot Springs Resort
1300 Washington St, Calistoga, CA 94515-1442 707-942-4441 | | | | | | | Still can't find it? Try searching our entire site, the San Francisco North Bay Area ( Marin, Napa, Sonoma and Solano Counties) and the world wide web below |
The high temperature gradient near
magma may cause water to be heated enough that it boils or becomes
superheated. If the water becomes so hot that it builds steam pressure and
erupts in a jet above the surface of the Earth, it is called a geyser. The
Old
Faithful Geyser of California is located in Calistoga Ca. If
the water only reaches the surface in the form of steam, it is called a
fumarole. If the water is mixed with mud and clay, it is called a mud pot.
Note that hot springs in volcanic areas are often at or near the boiling
point. People have been seriously burned and even killed by accidentally or
intentionally entering these springs.
Warm springs are sometimes the result of hot and cold springs mixing but may
also occur outside of volcanic areas, such as Warm Springs, Georgia
(frequented for its therapeutic effects by paraplegic U.S. President
Franklin D. Roosevelt, who built the Little White House there). | | | Also see:
Spas - Destination / ResortS
Day Spas
Napa Valley Resorts
NV Golf Resorts
Vacation Rentals
Travel and Rec. Guide
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