Kawtchhuah Ropui — often dubbed “the Great Entranceway” — is a remarkable megalithic heritage site near Vangchhia village in Champhai district of Mizoram, India. Spanning roughly 45 km², the site features over 170 ancient menhirs (standing stones), many standing up to 15 feet tall, intricately engraved with human figures, animals, floral motifs and weapons — vivid traces of early Mizo culture. Archaeological excavations by Archaeological Survey of India (ASI) during 2016–2019 revealed not just the menhirs, but also a necropolis, rock‑carved terraces (about 15), and a “water pavilion” — a stone structure with drilled holes, likely used for water storage — all hinting that Kawtchhuah Ropui was more than memorial stones: possibly a flourishing settlement or ceremonial site.