Crossword clues for the word: THEOREGONTRAIL The word THEOREGONTRAIL has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for THEOREGONTRAIL Showing 1 to 3 of 3 results Clue(s) Educational computer game that debuted in 1971 (3 wds.) Francis Parkman memoir Frontier way to the Northwest