River in Norway, Finland Tana Tenojoki / Deatnu / Tana älv View of the river Location Countries Norway Finland Regions Troms og Finnmark Lapland Physical characteristics Source Anarjohka-Karasjohka • location North of Karigasniemi, Norway-Finland border • coordinates 69°26′03″N 25°48′13″E﻿ / ﻿69.43417°N 25.80361°E﻿ / 69.43417; 25.80361 • elevation 125 m (410 ft) Mouth Tanafjorden • location Tana Municipality, Troms og Finnmark, Norway • coordinates 70°07′12″N 28°34′22″E﻿ / ﻿70.12000°N 28.57278°E﻿ / 70.12000; 28.57278Coordinates: 70°07′12″N 28°34′22″E﻿ / ﻿70.12000°N 28.57278°E﻿ / 70.12000; 28.57278 • elevation 0 m (0 ft) Length 361 km (224 mi) Basin size 16,377 km2 (6,323 sq mi) Discharge • average 197 m3/s (7,000 cu ft/s) Basin features River system Karasjohka