Archaeologists identify this as the gate a 29-year-old Prince Siddhartha is believed to have left through to begin the journey that led to enlightenment — standing there and looking out over the same fields is the site's genuinely quiet, striking moment, away from Lumbini's larger crowds.
Excavated remains of a fortified citadel roughly 500m by 400m, surrounded by a moat — palace structures, temples, roads, and ponds have all been uncovered here since excavation began in the 1890s, with work continuing into the 2010s. Worth knowing before visiting: Tilaurakot's identification as the "real" Kapilavastu is still debated by some archaeologists against a rival site (Piprahwa) across the border in India — Nepal has maintained the Tilaurakot identification since the site was first excavated.
A small museum near the site holding artifacts recovered from the Tilaurakot excavations — a useful stop for context before or after walking the ruins themselves.