The Columbia Encyclopedia, Sixth Edition. 2001-07.
Trondheimsfjord
(trôn´hm´´sfyôr) (KEY) , inlet of the Norwegian Sea, c.80 mi (130 km) long, W central Norway. It is considered a natural boundary between N and S Norway. Trondheim is on a peninsula in the fjord. The valleys draining into the fjord comprise one of the most fertile agricultural regions of Norway.