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UpToWhere · Can you see it?

Can you see Mount Rainier from the Space Needle, Seattle?

Yes — you can

96.3 km line of sight toward the south-southeast (bearing 152°), computed on 30 m Copernicus terrain with Earth curvature and standard atmospheric refraction.

Seattle's skyline has a guest star: a 4,400-metre stratovolcano that appears behind the towers whenever the clouds lift. From the Space Needle's deck, how much of Rainier actually shows above the horizon?

3D terrain view from the Space Needle, Seattle toward Mount Rainier
Straight-line distance96.3 km
Direction152° south-southeast
Observer eye level206 m
Target elevation4,415 m
Curvature drop at the target633 m
Clearance margin+16 m

From the Space Needle, Seattle, at an eye level of 206 m (includes the 160 m viewpoint height), the sightline to Mount Rainier runs 96.3 km and clears every ridge in between. Over that distance Earth's curvature drops the target 633 m below a flat-earth line — but at 4,415 m, it still rises above the horizon. The view is geometrically real: whether you actually get it depends on haze, not terrain. The tightest squeeze is mid-path, where the sightline passes just 16 m above the terrain at km 96.2.

The line on the map

Satellite map with the sightline from the Space Needle, Seattle to Mount Rainier drawn in red
The 96.3 km sightline over satellite imagery, drawn as the great-circle path light would follow.

The terrain profile

-0 m2,000 m4,000 m6,000 m sightlinethe Space NeedleMount Rainier 0 km96.3 km20406080
Elevation profile from the Space Needle, Seattle to Mount Rainier. Like every elevation profile, the vertical axis is stretched (≈5× here) — but the geometry is real: mid-path, Earth's surface genuinely stands 182 m above the straight line between the two points (the dashed arc is sea level). Light bends only slightly around that bulge, so whatever it covers stays hidden.
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Frequently asked questions

Can you see Mount Rainier from the Space Needle, Seattle?

Yes. The terrain-limited line of sight is clear across 96.3 km, accounting for Earth's curvature and standard atmospheric refraction. Atmospheric haze is the only thing that can hide the view.

How far is Mount Rainier from the Space Needle, Seattle in a straight line?

96.3 km great-circle distance, on a bearing of 152° (south-southeast).

How much does Earth's curvature hide over 96.3 km?

At the target's distance the curvature drop is about 633 m: anything lower than that (relative to the observer's horizon plane) is hidden behind the bulge of the Earth. Mount Rainier is tall enough to rise above it.

How was this calculated?

UpToWhere walks the full terrain profile between the two points on 30 m-resolution Copernicus GLO-30 elevation data, applying Earth curvature and standard atmospheric refraction (k = 0.13) — the same physics surveyors use. You can run the same point-to-point check between any two places on Earth.

More famous sightlines

Wondering about a different pair?

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