Benteng tujuh lapis berada di desa Dalu-dalu, Kecamatan Tambusai sekitar 23 km dari makam raja-raja Rambah. Benteng tanah yang dibuat masyarakat dalu-dalu pada zaman penjajahan Belanda, atas petuah Tuanku Tambusai di atas bumbun tanah ditanam bambu atau aur berduri. Bekas benteng tersebut yang ditinggalkan Tuanku Tambusai pada tanggal 28 Desember 1839. Di sekitar daerah dalu-dalu ini juga terdapat beberapa benteng-benteng yang disebut Kubu.
Seven Layers Fort
Seven Layers Fort is located in Dalu-dalu village, Tambusai district about 23 km from kings of Rambah tombs. This wall made from soil were built by the community during the Dutch occupation based on advise from Tuanku Tambusai on the top of wall there bamboo or thorns. Throughout this area, there are a few walls that are called Kubu (fortress).
Sumber : Riau Tourism Board
