List of hillside letters
This is a list of hillside letters, large geoglyphs found primarily in the Western United States. There are about 600 in total, but the status of many of these symbols are uncertain, due to vagueness in sources.
The states with the most hillside letters are:
- Montana: 130 monograms
- California: 83 monograms
- Utah: 94 monograms
- Arizona: 63 monograms
- Nevada: 47 monograms
- Oregon: 39 monograms
- Idaho: 36 monograms
United States
Colorado
At least 31 monograms, possibly 33.| Monogram | Town | Description | Coordinates |
| A | Fort Collins | Colorado State University | |
| B | Branson | ||
| C | Cañon City | ||
| D | Del Norte | ||
| D | Dinosaur | ||
| F | Fruita | Fruita Monument High School | |
| G | Golden | ||
| GV | Parachute | Grand Valley High School | |
| GM | Lakewood | Green Mountain High School | |
| G | Gunnison | ||
| H | Hotchkiss | ||
| LV | La Veta | ||
| LHS | Sopris | Lincoln High School | |
| L | Loma | ||
| L | Lyons | ||
| M | Golden | Colorado School of Mines | |
| M | Manassa | ||
| M | Montrose | ||
| P ' | Pagosa Springs | ' | |
| P | Palisade | ||
| P | Paonia | ||
| P | Weston | Primero High School | |
| R | Rangely | Rangely High School | |
| R ' | Rifle | ' | |
| S | Saguache | ||
| S | Salida | ||
| SAN LUIS OLDEST TOWN IN COLO. | San Luis | ||
| S | Sanford | ||
| SANTA MARIA | Santa Maria | ||
| SHS | Sheridan | Sheridan High School | |
| S | Silverton | ||
| SL | Westminster | Standley Lake High School | |
| W | Gunnison | Western Colorado University |
New Mexico
At least 30 monograms, possibly 37Texas
Texas' 16 or more monograms are all in the westernmost mountainous, part of the state. There are six in El Paso alone, the most in any single city in the United States.| Monogram | Town | Description | Coordinates |
| A | Alpine | ||
| A | El Paso | Austin High School | |
| B | Balmorhea | ||
| B/E | El Paso | Bowie High School | |
| C | El Paso | Cathedral High School | |
| E/B | El Paso | El Paso High School | |
| FD | Fort Davis | 2002? Letter F added | |
| I | El Paso | Irvin High School | |
| J | El Paso | Jefferson High School | |
| M | Marathon | ||
| M ' | Marfa | ' | |
| M | McCamey | ||
| P ' | Presidio | ' | |
| S | Sanderson | ||
| S | Shafter | ||
| SB | Sierra Blanca | ||
| SR | Alpine | Sul Ross State University | |
| SAFETY FIRST! | Iraan | ||
| M | El Paso | UTEP Miners | |
| V | Van Horn |
Washington
Most of Washington's 18 to 19 monograms are in the arid Eastern part of the state.| Monogram | Town | Description | Coordinates |
| #7 | Ephrata | ||
| A | Asotin | ||
| B | Burlington | ||
| C | Cashmere | ||
| C | Clarkston | ||
| C | Colville | ||
| C | Creston | ||
| E | East Wenatchee | ||
| FOSS | Tacoma | Foss High School | |
| G | Goldendale | ||
| K | Kelso | ||
| KF | Kettle Falls | ||
| K | Klickitat | ||
| LYLE | Lyle | ||
| L | Union Gap | La Salle High School | |
| OK | Okanogan | ||
| R | Richland | ||
| R | Rosalia | ||
| S | Selah | ||
| T | Touchet |
Wyoming
Between 24 and 25 monograms| Monogram | Town | Description | Coordinates | - |
| B | Burlington | - | ||
| C | Cody | - | ||
| D | Douglas | - | ||
| E | Evanston | - | ||
| F | Fairview | - | ||
| FORT WASHAKIE | Fort Washakie | - | ||
| G | Glenrock | - | ||
| GR | Green River | - | ||
| G | Greybull | - | ||
| G | Guernsey | - | ||
| H ' | Hartville | ' | - | |
| WORLDS LARGEST MINERAL HOT SPRING | Thermopolis | Hot Springs State Park | - | |
| K | Kemmerer | This is an old location see below | - | |
| K | Kemmerer | The new location. | - | |
| L | Lovell | - | ||
| M | Meeteetse | - | ||
| M | Meeteetse | - | ||
| MV | Mountain View | - | ||
| R | Basin | Riverside High School | - | |
| RS | Rock Springs | - | ||
| * | Afton | Star Valley | - | |
| S | Sunrise | - | ||
| T | Ten Sleep | - | ||
| T | Thermopolis | - | ||
| W | Laramie | University of Wyoming | - | |
| W | Worland | - | ||
| WBS | McNutt | Wyoming Boys' School |