Rapids and waterfalls on the map: over 5500 rapids, falls and canyons in Finland, by municipality. Free, no registration or sign-up.
5 589 places in
The map shows 10 rapids & waterfalls in Imatra. This is the number of places in this service, not an official total for the municipality.
5 places have parking within 500 metres (typically 275 m) and 5 places have a bus stop nearby (typically 225 m). Distances are measured to the nearest parking area and bus stop marked on the map.
Mansikkakoski is right in the city centre. The farthest is about 12 km away.
Imatrankoski, Tainionkoski (koski), Vallinkoski. These have their own description, a photo or a Wikipedia article, so the place page offers background beyond the location alone.