Bjørndalstjønna

== Norwegian Nynorsk == === Etymology === From Bjørndal +‎ tjønn. === Proper noun === Bjørndalstjønna a lake in Trøndelag, Norway. A small northern part of the lake is separated by a dam (Bjørndalsdammen) and very polluted by former mining industry. The water from it goes through Bjørndal down to Fagerli. A road at the southern part of the lake goes from Røttereng farm up to Damli.