Banyak Islands - 4 Things to Know Before Visiting

Alas River is a river in Aceh in northeastern Sumatra, Indonesia, about 1400 km northeast of the capital Jakarta. It is known for its white water rafting. The banks of the rivers are inhabited by the Gayo and Alas people.

The Sipisopiso is a plunge waterfall in the Batak highlands of Sumatra, Indonesia. It is formed by a small underground river of the Karo plateau that hurls itself from a cave in the side of the lake Toba caldera some 120 meters down to lake level. Sipisopiso is a well-known tourist attraction and a nearby vantage point offers great vistas of the fall and the lake.

Lake Toba is a large natural lake in Sumatra, Indonesia occupying the caldera of a supervolcano. The lake is located in the middle of the northern part of the island of Sumatra, with a surface elevation of about 900 metres . The lake is about 100 kilometres long, 30 kilometres wide, and up to 505 metres deep. It is the largest lake in Indonesia and the largest volcanic lake in the world. Lake Toba Caldera is one of the nineteen Geoparks in Indonesia, which is proposed to be included in the UNESC

Mount Sinabung also Dolok Sinabung, Deleng Sinabung, Dolok Sinaboen, Dolok Sinaboeng and Sinabuna is a Pleistocene-to-Holocene stratovolcano of andesite and dacite in the Karo plateau of Karo Regency, North Sumatra, Indonesia, 40 kilometres from the Lake Toba supervolcano. Many old lava flows are on its flanks and the last known eruption, before recent times, occurred 1200 years before present, between 740 - 880 CE. It is one of the beautiful trekking destinations in Indonesia.

Gunung Leuser National Park is a national park covering 7,927 km2 in northern Sumatra, Indonesia, straddling the border of North Sumatra and Aceh provinces, a fourth portion and three-fourths portion, respectively. The national park, settled in the Barisan mountain range, is named after Mount Leuser, and protects a wide range of ecosystems. An orangutan sanctuary at Bukit Lawang is located within the park. Together with Bukit Barisan Selatan and Kerinci Seblat National Parks, it forms a World He

Mount Leuser is one of three prominent peaks on the Leuser Range in the Indonesian province of Aceh. The range lies to the south and west of the Alas River that flows east from the Gayo highlands of central Aceh before turning south through Karo Batak country in North Sumatra province. The Leuser region is of ancient uplifted formations - it is non-volcanic. The region is billed as the largest wilderness area in South-East Asia. It is often assumed, incorrectly, that the highest peak is Mount Le