Crossword clue: a river in southeastern siberia that flows northwest from lake baikal to become a tributary of the yenisei river
2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
angara
6 letters
wn-def
a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River
tunguska
8 letters
wn-def
a river in southeastern Siberia that flows northwest from Lake Baikal to become a tributary of the Yenisei River