The app
Fjordway
How the ice made the landscape.
Norway's fjords are among the most dramatic landscapes on earth, and the story of how they were carved is better than the view. Fjordway tells it with clear animated diagrams instead of dense textbook paragraphs: U-shaped valleys, hanging waterfalls, cirques, arêtes, moraines and the fjords themselves, each in plain language with a cross-section you can actually read.
- Erosion
- Deposition
- Process
Watch it happen
Press play on a fjord
- A river valley, cut long before the ice.
- A glacier grinding it deeper, below sea level.
- The ice retreating as the climate turns.
- The sea flooding in behind it.
- A shallow sill left across the mouth.
Other landforms get their own formation animations, from a glacier plucking and abrading its bed to a hanging valley stranded high above the main trough. A comparison tool lays a glacial U-valley beside a river-cut V-valley with the key features labelled on both, so the difference finally clicks.
The library
Everything, named and drawn
Browse by category — erosional, depositional, process, valley — search anything by name, and open an entry for how it forms and how to recognise it in the wild. A glossary keeps the vocabulary straight, every term paired with a small drawing, and progressive quizzes test you: identify a landform from its diagram, explain why a fjord has a shallow mouth, tell a U-valley from a V-valley, name the process at work.
Switch freely between Norwegian and English, set the animation speed, toggle the diagram labels. Completely offline, with no account and no ads.
Get Fjordway on Google PlayPackage com.isbre.fjordway
A guide to landscape, not to going out in it. Fjordway explains how cliffs, glaciers and fjord walls came to be; it says nothing about whether any of them is safe to walk on today. Glaciers are lethal to the untrained — crevasses, moulins, calving fronts and unstable moraine — so go with a certified guide, and treat cliff edges, rockfall and cold water on the fjords with the same respect. In Norway: 113 for an ambulance, 112 for the police, 110 for fire.
Working out
Why a fjord can be deeper than the sea it opens into
Sognefjord's floor lies 1 308 m below the surface, while the sill at its mouth is barely a hundred. Rivers cannot cut below sea level, so something else did the digging. A glacier can, but only while it stays grounded: the moment the water gets deep enough to float it, the grinding stops. Archimedes sets that limit exactly.
Sea water is denser than ice by about a ninth, so a glacier stays on the bottom in water up to 0.893 times its own thickness. Sognefjord therefore needs at least 1 465 m of ice standing over it, which is what the Scandinavian ice sheet supplied. The same load presses 132 bar onto the rock and drops the melting point by roughly one degree, so a film of water forms at the bed and the whole mass slides, grinding as it goes. Once the ice thinned near the coast it floated, stopped cutting, and left the sill that still shallows every fjord mouth today.
What's not here: no landforms, no animations, no glossary and no quiz. This is one calculation about flotation and pressure; it draws no cirque, names no moraine and explains no process beyond the depth limit. The formation of the landscape, step by step, is the app.