Is “Thalweg” a Scrabble word?
Yes
THALWEG
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Thalweg
/ˈtaːlvɛç/
noun
1.The line that connects the lowest points in a valley or river channel, and thus the line of fastest flow or deepest water along a river’s course.