Selat Indragiri (Indragiri River) (Batong Kwantan) penetrates in its upper reaches far into the Padang uplands. Its principal mouth is the Kuala Laja, which is the most serviceable channel for larger vessels. Vessels with a maximum length of 60m and a maximum draft of 4m can be taken across the bar of the Kuala Lajau; this depth can be maintained for about 30 miles upriver. An abandoned customs station stands on the S side of the entrance to Kuala Lajau; a village, built on piles, stands on the N side.
Pulau Alangtiga, 79m high, lying about 30 miles NW of Pulau Berhala, is the central of a group of three small thickly-wooded islands fringed by reef, and some rocks above-water. Pulas Beralas, 69m high, lies about 1 mile N of Pulau Alangtiga. Pulau Muci (Mubi), 81m high, lies ...
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 ...
Sungai Retih (Reteh River) disharges by four mouths, 8 to 12 miles NW of Tanjung Labu.These mouths are formed by three islands; the middle and largest is Pulau Kijang (Kidjang). Off these mouths the 5m curve is 6 miles from the coast, and the channels which lead to them are between ...
Teluk Kualacenaku is about 20 miles wide between Tanjung Bakau and Tanjung Dato, a low headland, and about 17 miles long to the mouth of the several rivers of which it is the estuary. The coast is everywhere low and marshy, and the greater portion of the bay is very shallow. The ...
Selat Indragiri (Indragiri River) (Batong Kwantan) penetrates in its upper reaches far into the