T1H4A1L1W4E1G2
14 points
THALWEG is validvalid
the line defining the lowest points along the length of a riverbed
(German) a line following the lowest point of a valley; the middle of a navigable waterway used as boundary line, also TALWEG
the line defining the lowest points along the length of a riverbed
(German) a line following the lowest point of a valley; the middle of a navigable waterway used as boundary line, also TALWEG