Tam Coc - Bich Dong (Vietnamese: Tam Cốc - Bích Động) is a popular tourist destination near the city of Ninh Binh in northern Vietnam.

Some millions years ago, Ha Long Bay used to connect with limestone mountains in Hoa Lu. Vestiges of the ocean still remain through the erosion of the grottos, offering an adventurous tour in the caves. A trip to Tam Coc is very interesting and should not be missed.

You can reach Tam Coc by a boat ride along the stream flowing through green and lush rice fields dotted with towering mountains as the backdrop. At Tam Coc, there situates the temple built in memory the Tran Dynasty Kings who defeated Kublikhan's army. The bell tower predominantly stands in the front yard. The heroes are worshipped inside the temple.