BURNHAM-ON-SEA.. is a seaside town in Somerset, England 🏴󠁧󠁢󠁥󠁮󠁧󠁿, at the mouth of the River Parrett, upon Bridgwater Bay. Burnham was a small fishing village until the late 18th century when it began to grow because of its popularity as a seaside resort. Burnham-on-Sea is famous for its low lighthouse. The lighthouse was built in 1832 and is a Grade-II listed building with a red and white striped facade. The name Burnham is derived from Burnhamm, as it was called in the will of King Alfred