River potential
One score, four perspectives.
Migratory fish habitat, rapids, river size and ecological status form a 0–100 estimate for each watercourse.
Android app
Fisustaja
Fishing waters mapped from open data
Find promising running waters. Before your first cast.
Fisustaja scores Finland’s rivers and streams, shows recent discharge data and helps you check fishing restrictions – all on one map.
42 000+rivers and streams
60 daysdischarge history
3app languages
Ready for the outdoorsThe map also works offline
01Fishing potential scoresGreen, yellow or red
02Discharge & temperatureLatest reading and direction
03Fishing restrictionsImportant areas on a dedicated map layer
04River searchGo straight to a river by name
All of Finland in your pocket
Less guesswork.
More time on the river.
Fisustaja turns open geospatial datasets into one easy-to-read map. See at a glance which waters deserve a closer look.
- ✓Traffic-light scores help promising waters stand out quickly.
- ✓River-specific details show how each score is formed.
- ✓Your location and notes travel with you on every fishing trip.
Discharge direction
Green falling · yellow steady
red rising
red rising
Information that matters
See the river
beneath the surface.
The score combines factors that matter to anglers. It does not promise a catch – it helps you find interesting waters and time your trip better.
Discharge & temperature
Know when to go.
Latest observation, rising or falling direction and a 60-day history from SYKE monitoring stations.
Restrictions
Fish responsibly.
Official open restriction data on its own map layer. Always confirm current permits before fishing.
New in version 0.4
The map goes where
the signal does not.
A base map of Finland is included with the app. It opens and works in the wilderness without a network connection; detailed data loads whenever a connection is available.
Offline base map
Smooth vector map
Your location
How Fisustaja works
Straight to the map.
No unnecessary detours.
Search for a river by name, open an interesting watercourse and choose the map layers you need for that trip.
0
Privacy belongs to the user
No account. No ads.
No analytics.
Your location is used only to centre the map and is never sent anywhere. Your notes remain on your device.
01No registration
02No user tracking
03Notes stay on your device
AndroidFisustaja
Good to know
Fishing potential scores are estimates calculated from open data, not a guarantee of a catch or fishing rights. Restriction data is not legally binding and does not include rules for private waters. Always check current restrictions and permits at kalastusrajoitus.fi and eraluvat.fi.