Crossword clues for the word: PASCO The word PASCO has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for PASCO Showing 1 to 6 of 6 results Clue(s) "Cerro de ___, Peru." City near Walla Walla City on the Columbia River Dade City's county Washington city on the Columbia Where Hanford atomic plant is.