Hot springs by state
1,918 springs in 36 states. Most are in the West, where the earth's heat sits closest to the surface.
| State | Springs | Developed | Natural | Hottest recorded |
|---|---|---|---|---|
| California | 331 | 37 | 294 | 214°F |
| Nevada | 318 | 8 | 310 | 210°F |
| Idaho | 237 | 29 | 208 | 203°F |
| Wyoming | 152 | 15 | 137 | 205°F |
| Oregon | 137 | 13 | 124 | 207°F |
| Alaska | 128 | 8 | 120 | 310°F |
| Utah | 126 | 9 | 117 | 187°F |
| New Mexico | 86 | 12 | 74 | 189°F |
| Montana | 75 | 21 | 54 | 181°F |
| Arizona | 71 | 7 | 64 | 180°F |
| Colorado | 66 | 29 | 37 | 181°F |
| Washington | 37 | 10 | 27 | 266°F |
| Arkansas | 25 | 11 | 14 | 95°F |
| Virginia | 22 | 3 | 19 | 106°F |
| Texas | 17 | 3 | 14 | 117°F |
| Hawaii | 13 | 4 | 9 | 97°F |
| North Carolina | 10 | 7 | 3 | 108°F |
| Georgia | 10 | 0 | 10 | 88°F |
| West Virginia | 9 | 3 | 6 | 73°F |
| South Dakota | 7 | 5 | 2 | 87°F |
| Alabama | 6 | 2 | 4 | n/a |
| Indiana | 5 | 1 | 4 | n/a |
| Florida | 4 | 1 | 3 | 86°F |
| New York | 4 | 1 | 3 | 72°F |
| Pennsylvania | 3 | 0 | 3 | n/a |
| South Carolina | 2 | 0 | 2 | n/a |
| Missouri | 2 | 0 | 2 | n/a |
| North Dakota | 2 | 0 | 2 | n/a |
| Illinois | 2 | 0 | 2 | n/a |
| Ohio | 2 | 0 | 2 | n/a |
| Minnesota | 2 | 1 | 1 | n/a |
| Tennessee | 2 | 0 | 2 | n/a |
| Mississippi | 2 | 0 | 2 | n/a |
| New Hampshire | 1 | 0 | 1 | n/a |
| Louisiana | 1 | 0 | 1 | n/a |
| Massachusetts | 1 | 0 | 1 | 75°F |