A Colorado ridgeline with RidgeReader's slope-angle shading rendered over the steep north-facing side.

Know the slope
before you drop in

Faster decisions. No guessing.

Join the Waitlist See how it works

Coming soon to iOS · Built in Denver, CO

The technology

Photo in. Slope angle out.

RidgeReader turns your in-the-field photo into a 3D slope-angle analysis at 1 meter resolution — at the snap of a photo.

The RidgeReader app camera view, framing a rocky alpine face.
What you shoot
The same face returned with slope-angle shading laid over the terrain.
What you get back

Reading the shading

Steepness is the single biggest terrain factor in avalanche risk. Most slides start between 35° and 45°.

< 27°
27–29°
30–34°
35–45°
46–50°
51–59°
60°+

Real terrain. Real output.

The RidgeReader camera view framing a broad snow bowl in the White River National Forest.
What you shoot
The same bowl returned with slope-angle shading over the terrain.
What you get back

How it works

Three steps, one glove off.

Download your regionsOptional

Cache the terrain you're heading into before you leave service. Everything after this works offline.

Photograph the terrain ahead

Point the phone at the line you're weighing up and take a single shot. No survey, no setup, no waiting.

Read the slope

RidgeReader matches the photo to 3D terrain and returns slope-angle shading over the face in front of you.

Join the waitlist

Be there for the first storm cycle.

We'll email you when the beta opens. No noise in between.

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