What can you see from Mount Diablo Peak?
360° terrain visibility analysis from Mount Diablo Peak — observation point at 1,169 m, coordinates 37.8814, -121.9148.
From Mount Diablo Peak, the terrain-limited line of sight reaches up to 341 km. The single farthest piece of visible terrain lies 341 km to the east-southeast (bearing 118°), at 3,727 m elevation. These results account for Earth's curvature and standard atmospheric refraction, computed from 30-meter resolution Copernicus GLO-30 elevation data across 2,090,625 terrain samples.
Open the interactive visibility map →Visibility by direction
| Direction | Visible distance |
|---|---|
| North | 292 km |
| East | 341 km |
| South | 183 km |
| West | 157 km |
Frequently asked questions
How far can you see from Mount Diablo Peak?
On a clear day the terrain allows a line of sight of up to 341 km from Mount Diablo Peak. The average visible distance across all 360 directions is 85.0 km. Atmospheric conditions (haze, humidity) usually reduce practical visibility below the terrain-limited maximum.
What is the farthest point visible from Mount Diablo Peak?
The farthest terrain visible from Mount Diablo Peak lies 341 km to the east-southeast, at an elevation of 3,727 m. Earth's curvature and atmospheric refraction are accounted for in this calculation.
How high is Mount Diablo Peak?
The observation point at Mount Diablo Peak sits at 1,169 m above sea level (Copernicus GLO-30 elevation model).
How is this visibility map calculated?
UpToWhere traces lines of sight in 360 directions from the observer using 30 m-resolution Copernicus terrain data, correcting for Earth curvature and standard atmospheric refraction. You can run the same analysis for any point on Earth with the free calculator.
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