“St. Louis's Gateway ___ National Park” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.ARCH is the answer to the New York Times crossword clue “St. Louis's Gateway ___ National Park”. It was last seen in the puzzle of February 9, 2026, where it runs at 15 Across and fills 4 squares. It crosses 4 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.