Located at about 2 hours drive, Lothal is one of the most prominent cities of the ancient Indus valley civilisation, dating from 2400 BCE. Discovered in 1954, Lothal was excavated from 1955 to 1960 by the Archaeological Survey of India Lothal's dock—the world's earliest known, connected the city to an ancient course of the Sabarmati river on the trade route between Harappan cities in Sindh and the peninsula of Saurashtra when the surrounding Kutch desert of today was a part of the Arabian Sea.