Indragiri basin

Riau (Jawi: ) is a province of Indonesia. It is located on the central eastern coast of the island of Sumatra, and extends from the eastern slopes of the Barisan Mountains to the Malacca Strait, including several large islands situated within the Strait. The province shares land borders with North Sumatra to the northwest, West Sumatra to the west, and Jambi to the south, and a maritime border with the Riau Islands and the country of Malaysia to the east. It is the second-largest province in the island of Sumatra after South Sumatra with a total land area of 93,356.32 km², and an estimate

thumb|Pajakoemboeh scene with water wheel, children swimming, a mosque and a Minangkabau people|Minangkabau town hall in the background

mountain range in Sumatra, Indonesia

Sawahlunto (Jawi: ) is a city in West Sumatra, Indonesia. It lies 90 kilometres (a 2-hour drive) from Padang, the provincial capital. Sawahlunto is known as the site for the oldest coal mining site in Southeast Asia. Sawahlunto is geographically located in a narrow valley along the Bukit Barisan mountains and surrounded by several hills, namely Bukit Polan, Bukit Pari, and Bukit Mato. The town has a land area of 273.45 sq. km, and had a population of 56,866 at the 2010 Census, 60,136 at the 2015 Census, and 65,138 at the 2020 Census; the official estimate as at mid-2023 was 67,760 - compr

Solok (means valley) is a city in West Sumatra, Indonesia. The motto of this city is Kota Beras which is an abbreviation of "Bersih, Elok, Rapi, Aman dan Sejahtera". It has an area of 58.72 km2 (0.14 percent of the area of West Sumatra), a population of 59,396 at the 2010 Census, and 73,438 at the 2020 Census; the official estimate as at mid-2023 was 77,842 - comprising 39,239 males and 38,603 females. Solok topography varies between the plains and hilly with a height of 390 m above sea level. Three tributaries cross Solok, namely Batang Lembang, Batang Gawan, and Batang Air Binguang.

regency in West Sumatra Province, Indonesia

mountain in West Sumatra, Indonesia

regency in West Sumatra Province, Indonesia

regency in West Sumatra Province, Indonesia

river in West Sumatra and Riau, Indonesia

regency in West Sumatra Province, Indonesia

regency in West Sumatra Province, Indonesia

regency in Riau Province, Indonesia

regency in Riau Province, Indonesia

regency in Riau Province, Indonesia

lake in Indonesia

national park in Indonesia

Tembilahan (; ) is a town and district of Indragiri Hilir Regency, in the Riau province of Indonesia. It is also the capital of the regency. Tembilahan District has an area of , consisting of 8 villages (all classed as urban kelurahan). Tembilahan's population at the 2020 Census was 77,862, rising to 84,608 according to the official estimates for mid 2024.

river in West Sumatra, Indonesia; part of Ombilin - Kuantan - Indragiri river

river in West Sumatra, Indonesia

lake in Indonesia