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FATMAP closed on 1 October 2024; Strava, which announced buying it in January 2023, now has FATMAP-based 3D and slope layers for subscribers. For the Alps, BEYOND, topo^alpin and Skitourenguru are free; BEYOND and topo^alpin put the avalanche danger on the map. In North America, onX Backcountry and CalTopo are the closest. Offline use needs a paid plan in most apps.
What happened to FATMAP?
FATMAP was a 3D outdoor map that was popular with ski tourers and freeriders: you could turn a mountain, check how steep it was and draw a route on it. Strava announced that it had bought FATMAP on 23 January 2023. In June 2024 Strava told users the app would close, and on 1 October 2024 the FATMAP app and website were retired.
Routes could be moved to Strava as saved routes, with only their title, description and line. Adventures, guidebooks and waypoints could not move, and data that wasn't exported before 1 October 2024 was deleted. fatmap.com now redirects to Strava's home page. The full timeline, with sources, is in what happened to FATMAP.
What to look for in a FATMAP alternative
Not everyone used FATMAP for the same thing. These are the parts that matter for ski touring and off-piste, in the order most riders mention them:
3D terrain. Turning a face to see its shape, the rolls and the run-out is what most people miss. Check whether 3D is in the free tier, and whether it works on a laptop as well as on a phone.
Slope angle. A colour layer for steepness is the first thing to check for avalanche terrain, because most slab avalanches release on slopes steeper than 30°. The resolution of the elevation model behind it matters: 5 m data shows short steep pitches that 25 or 30 m data smooths out.
Avalanche information. Some tools show the official avalanche bulletin on the map, some an avalanche-terrain layer (ATES, CAT), some both. A static terrain layer shows where avalanches can happen; only the bulletin says how likely they are today. SLABS is different again: it takes the bulletin as input.
Route drawing and GPX. Drawing a skin track and a descent, and getting it onto your phone or watch.
Offline use. Phone signal is patchy in the mountains. In most apps offline maps are part of the paid plan.
Region and price. Several strong tools are built for North America and have little data for the Alps, and the other way round. FATMAP had a free tier; check what each alternative's free tier includes.
FATMAP alternatives compared
As of 13 and 15 October 2026, from each vendor's own website, help pages or App Store listing. Prices are as listed and can differ per country and app store. "Not listed" means we could not confirm it, not that the feature is missing.
| Tool | 3D | Slope angle | Avalanche information | Offline | Region | Free tier | Paid |
|---|---|---|---|---|---|---|---|
| BEYOND | Yes, in the browser; 10 m (CH, AT, FR, IT), 2 m on demand (CH, AT, FR), 30 m in the gaps | 25° to over 45°, plus aspect and sun | Today's and tomorrow's danger from the European warning services on the slopes; SLABS analysis for an area | Download an area (up to 16 × 16 km, 6 × 6 km at high resolution) as 3D model, HTML page and map image; the map itself needs a connection | Alps | Everything, with a free account | None |
| topo^alpin | Yes | Yes, 5 m data | AutoATES v2 terrain layer; official bulletins from SLF, ALBINA, regional services and Météo-France | Yes | Alps | Everything, no account (web and iPhone) | None listed |
| Skitourenguru | Not listed (links to an external 3D view) | Yes, 5 m data | Daily risk rating per route from the official bulletin; avalanche-terrain layer | No (an app is announced for 2026/27) | Alps | Everything, no login | Donations |
| White Risk (SLF) | Not listed | Yes (Standard) | Swiss bulletin; CAT and ATH avalanche-terrain maps for CH, AT and FR | Yes (Standard, in the app) | Switzerland, plus AT and FR layers | Yes, limited | CHF 29 a year; Pro CHF 58 |
| realitymaps | Yes | Yes, from a 1 m model (Pro) | Bulletins for Germany, Austria, Italy and Switzerland | Pro | Alps and Pyrenees | Basic functions | €59.99 a year or €9.99 a month |
| Whympr | Yes (Premium) | Yes, free in France and Switzerland | Bulletins for France, Switzerland, Italy, Austria and more (Premium) | Premium | Worldwide, Alps focus | Route descriptions and slope layers | €29.99 a year |
| Strava | Yes (subscribers, mobile app) | Gradient, avalanche gradient 25° to 45°+ and aspect (subscribers) | Slope layers; bulletin not listed | Offline routes (subscribers) | Worldwide | Yes, with an account; no 3D or route builder | €69.99 a year or €10.99 a month |
| Outmap | Yes, also in the free tier | Yes (Pro) | Avalanche layer based on slope angle only; forecast coverage differs between its own pages | Pro | Worldwide | Yes, with an account | US$4.99 a month, billed yearly |
| PeakVisor | Yes | Yes (PRO) | Avalanche bulletins on the map (PRO) | PRO | Worldwide | Free app, limited | US$40 a year or US$10 a month |
| onX Backcountry | Yes | Yes | ATES layer and avalanche forecasts in the US | One map free; more in Premium | US and Canada | Yes | US$29.99 a year |
| CalTopo | Yes (Pro and up) | Yes | US avalanche forecasts and observations | Mobile plan and up | Worldwide maps, US data | Yes | US$20 to US$100 a year |
| Gaia GPS | Yes, web and Android (Premium) | Yes (Premium) | US and Canada forecast layer | Premium | Worldwide, US focus | Yes | €59.90 (NL App Store, billing period not stated) |
For the Alps
These tools are built around the Alps: Alpine elevation data, the official bulletins of the Alpine warning services, or both.
BEYOND
Disclosure: BEYOND is ours, so read this part with that in mind. We used FATMAP ourselves to plan freeride lines, like a lot of people did. When it closed, we missed how easy it was to use: the layers, and everything in one place. These days we only use BEYOND, because we built the features we use ourselves into it. That doesn't make it the right tool for everyone, so if something you need is missing, tell us in the feedback form.
BEYOND is a 3D map of the Alps in the browser, on 10 m terrain for Switzerland, Austria, France and Italy, 2 m on demand in Switzerland, Austria and France, and 30 m in the gaps. Lifts and pistes are drawn on the terrain, with slope angle from 25° to over 45°, aspect, sun and shadow for any time, and today's or tomorrow's avalanche danger from the European warning services drawn on the slopes. You can draw routes or import a GPX, export them as GPX, get tour times after DIN 33466, run a SLABS avalanche terrain analysis for an area with today's conditions, and download an area as a 3D model or HTML page to use without a connection. New snow, a snowfall forecast, snow stations and webcams are on the map too. The website adds bulletin pages per region for Switzerland, Tyrol and France. It is free with a free account.
Where it fits: planning a day off the lifts or a tour on a laptop the evening before, when you want to see where a line starts, how steep it gets, which lift or piste it comes out at and what the bulletin says for the aspect and elevation of that slope. Where it doesn't: it is not an offline app (the map needs a connection; only the downloaded files work without one), there is no native phone app, routes live in your browser rather than in an account, and it only covers the Alps. More on the 3D ski map page.
topo^alpin
topo^alpin is a free web app and iPhone app for the Alps. It has slope angle from 5 m elevation data in seven classes, a 3D relief you can tilt and turn, an AutoATES v2 avalanche-terrain layer for the whole Alpine arc, and the danger level from the responsible warning service. Its Tour-Check compares a route, drawn on the map or uploaded as GPX, with today's bulletin. Offline areas and tracks are included, with no account and no ads, according to its App Store listing.
Limits: it is new, we found no Android app, and its terms keep the option of paid subscriptions later. Of the free tools we checked, it is the one that works offline on an iPhone.
Skitourenguru
Skitourenguru rates thousands of ski tours in the Alps every day, combining the official avalanche bulletin with the terrain of each route into a green, orange or red indicator. It has slope angle classes from 30° on 5 m elevation data and an avalanche-terrain layer, and you can draw your own routes, first in Switzerland from December 2023 and now across the Alps. It is free, without login or ads.
Limits: it is a website, without its own 3D view and without offline use; a native app is announced for winter 2026/27. It is a planning and rating tool rather than a map to look around in. It works well next to a 3D map: check the line in 3D, then check its rating.
White Risk (SLF)
White Risk is the app of the Swiss avalanche institute SLF. It shows the official Swiss bulletin, slope angle maps, and CAT and ATH avalanche-terrain maps for Switzerland, Austria and France, with tour planning (you draw the route and get an elevation profile and a time calculation); map downloads are in the paid plan. The Standard plan costs CHF 29 a year and Pro CHF 58, according to White Risk's plans page; in the Dutch App Store the prices are €39.99 and €69.99.
Limits: 3D is not listed, and the terrain layers are strongest in Switzerland.
realitymaps
realitymaps makes 3D maps of the Alps and the Pyrenees, with a 3D winter map and winter aerial imagery for selected regions such as the Ötztal Alps, Ski Amadé and the Dolomites. Pro adds a slope angle layer computed from a 1 m surface model, offline maps, routing and GPX import and export, and the app shows the avalanche bulletins for Germany, Austria, Italy and Switzerland. Pro costs €59.99 a year or €9.99 a month (realitymaps shop).
Limits: the free tier covers basic functions only, and the full web planner needs Pro.
Whympr
Whympr is built around a database of mountain routes. The free tier has route descriptions and slope layers for France and Switzerland. Premium (€29.99 a year, Whympr pricing) adds a 3D LiDAR view, avalanche bulletins for France, Switzerland, Italy, Austria and other countries, route drawing and offline maps.
Limits: it is built around routes and route descriptions more than open terrain, and most of the planning tools are in Premium.
Worldwide apps
These apps cover the whole world. They are useful if you also ride outside the Alps, but their Alpine avalanche information is thinner.
Strava
Strava is where FATMAP went. Since March 2025 Strava's maps use FATMAP technology, and subscribers get 3D terrain, a winter map style, and gradient, avalanche gradient (25° to 45° and steeper) and aspect layers in the mobile app (Strava, 6 March 2025). The route builder and offline routes are for subscribers too; a subscription costs €69.99 a year or €10.99 a month in the Netherlands.
Limits: the winter layers are confirmed in the app, not on the website, and Strava doesn't list avalanche bulletins. FATMAP's adventures and guidebooks did not come back.
Outmap
Outmap has 3D in its free tier and a web planner next to the iOS and Android apps. Pro adds slope angle, aspect and an avalanche-risk layer, offline maps and GPX import and export, for US$4.99 a month billed yearly (Outmap features). Its avalanche-risk layer is based on slope angle only, as its own help centre says, and its pages differ on which avalanche forecasts are included.
Limits: slope and avalanche layers are paid, and the Alpine avalanche information is not confirmed.
PeakVisor
PeakVisor has 3D maps worldwide. PRO adds slope steepness, aspect and avalanche-risk layers, avalanche bulletins on the map, a route planner and offline maps, for US$40 a year or US$10 a month (PeakVisor).
Limits: what the free tier includes is not clearly listed, and PeakVisor does not say which bulletin services it shows.
For North America
onX Backcountry, CalTopo and Gaia GPS are the strongest choices in the US and Canada, where much of the search traffic for FATMAP comes from. Their avalanche layers and forecasts are North American.
onX Backcountry
onX Backcountry is a separate app from onX Offroad and onX Hunt. It has 3D, slope angle and aspect, an ATES avalanche-terrain layer in parts of the US, and forecasts from local avalanche centres. The free version includes one offline map; Premium (US$29.99 a year) adds unlimited offline maps and offline 3D (onX pricing).
Limits: detailed layers are for the US and Canada, and we found the iPhone app only in the US and Canadian App Stores.
CalTopo
CalTopo is a map and planning tool from the US with slope angle shading and US avalanche forecasts and observations. 3D needs a Pro, Desktop or Team plan since January 2025, and offline on the phone needs at least the Mobile plan; plans cost US$20, US$50 or US$100 a year (CalTopo).
Limits: much of its data is US-centric, and it takes time to learn.
Gaia GPS
Gaia GPS is a general GPS and map app. Premium adds slope angle (25 m data in Western Europe), 3D maps on the web and Android, and offline maps; its avalanche forecast layer covers the US and Canada. Premium is listed at €59.90 in the Dutch App Store; the billing period is not stated.
Limits: it is not built for skiing, and 3D on iPhone is not listed.
Which one fits you
You plan days off the lifts or tours in the Alps on a laptop, and want lifts, pistes, slope angle, today's avalanche danger, routes and a SLABS analysis on one 3D map for free: BEYOND.
You want a free native app on your iPhone that works offline, with slope angle, avalanche terrain and the bulletin: topo^alpin.
You want a daily risk rating for a known tour: Skitourenguru. It works next to any of the maps above.
You tour mostly in Switzerland and want the SLF's own tool: White Risk.
You want 3D winter imagery and offline maps in the Alps and are happy to pay: realitymaps.
You already pay for Strava and want 3D and slope layers on your phone: Strava.
You ride in the US or Canada: onX Backcountry or CalTopo.
Whatever you use: a map shows terrain, not today's snowpack. Read the full bulletin for your region first, and check the slope when you get there.
How we checked
We make BEYOND. We checked every other tool on its own website, help pages or App Store listing on 13 and 15 October 2026, and we link the main source for each one. Features and prices change; if something here is wrong or out of date, email us at luuk@beyondmaps.app and we'll correct it. We left out SteepMaps, which presents itself as a free FATMAP alternative, because we could not verify its app or its features.