Standing on a promontory in central Kollam, this palace is located on the banks of Ashtamudi Lake. Thevally Palace is 26 km away from Kollam. Built during the reign of Gauri Parvathi Bai, between 1811 and 1819, it was the residence of the erstwhile Maharaja of Travancore, whenever he visited Kollam for meetings with the British resident. Built with laterite and lime plaster, the structure is a blend of Dutch, English and Portuguese architectural styles. A temple dedicated to Lord Sastha is also seen. Overlooking the Ashtamudi Lake, this palace is set amidst scenic surroundings covered by hills on the three sides. Sasthamkotta is situated on the banks of Kallada river and is the fresh water lake in Kerala.Thevally Palace is open to public and tourists after renovations.
Thevally palace has its own romantic charm as the palace itself tells a legendary love story of a British resident who lived across the lake with a noble ady from the palace. The British resident’s faithful pet dog used to swim across the lake to hand over the love letters of his master to the palace lady.A crumbling pedestal has been built in memory of this faithful dog. The palace is currently occupied by the army and Public Works Department and at present headquarters of the Kollam/Alleppey N.C.C. – National Cadet Corps.