Tanjung Buku has the prominent hill Gunung Buku, 137m high, on it. Bukit Porok, about 2.7 miles N of Tanjung Buku, has a sharp peak about 149m high.
The coast from Tanjung Buku to Tanjung Sebayur (NW Tg Buku) trends NNW and NW for 14 miles; the latter point is on the E side of the entrance to Selat Sebayur, and is also the W end of Pulau Singkep.
James Rock, a pinnacle with a least depth of 0.3m, lies 3.5 miles NW of Tanjung Buku.
Pulau Serak and Pulau Pengelap (E Pulau Singplaut)
Pulau Serak, a low and wooded islet, lies about 7 miles WNW of Tanjung Buku, it is located on a shoal, which, under the depth of 9.1m, extends 2 miles SE, 1 mile N, and about 0.7 mile off either side. Oekol (Pulau Ukol), located about 0.5 mile W of the S end of Pulau Serak, lies on ...
26 Feb 12