Selat Gelam, the passage between the S end of Great Karimun and the N end of Pulau Kondur, is used by local craft trading between Singapore and the islands to the SW. The passage at its E end is about 3 miles wide but about 6 miles to the W the channel is divided into two channels by Pulau Babi. The S channel has greater depths but it is fouled by more shoals. Neither channel is buoyed.
Karimun Kecil or Little Karimun, separated from the NE side of Great Karimun by a deep channel about 0.5 mile wide, is a bold island, 377m high. In the NW approach to the channel between Great Karimun and Little Karimun are two islets, Nangoi, 39m high, about 1.2 miles W of the ...
Assan and Mudu, rocky and thickly-overgrown islands, 83 and 65m high, respectively, lie about 1.2 miles off the NW side of Great Karimun. Sajuda, an above-water rock, lies 0.5 mile N of Assan and Seal Rock lies about 0.5 mile NE of Sajuda. Tokong Belanda, a low rock, lies about ...
Pulau Tambelas, 80m high, stands about 4 miles NNW of Pulau Kempaan, in the fairway between Selat Gelam and the channels between the islands SW of it. The island has three peaks and from a distance appears as two islands.
Pulau Burung (Boeroeng), 4 miles NNW of the entrance of the Sungai Kateman, is low, wooded, and separated from the Sumatera coast by a narrow channel. Pulau Burung is a drying bank extends from 1 to 2 miles from the ends of the island. Kateman Island and Pulau Burung are ...
Pulau Kempaan (Kenipaan), about 2 miles in length, stands 6 miles ENE of Pulau Belembang and 2 miles W of the N extremity of Pulau Kundur. The bottom between this island and Pulau Kundur is foul. Above and belowwater rocks lie in Selat Gelam between Pulau Kempaan and Pulau Babi.