Longest mountain chains

Longest mountain chains ranked by length.

Last updated . Source: Wikidata.

As of 2026-10-12, Tharsis Montes tops the list with 2,059 km.

  1. #1 Tharsis Montes — 2,059 km

    montes on Mars

    The Tharsis Montes are three large shield volcanoes in the Tharsis region of the planet Mars. From north to south, the volcanoes are Ascraeus Mons, Pavonis Mons and Arsia Mons. Mons is the Latin word for mountain; it is a descriptor term used in astrogeology for mountainous features in the Solar System. Read more on Wikipedia.

    Wikidata
  2. #2 Cordillera Central — 1,500 km

    part of the Andes in Peru

    The Cordillera Central is part of the Andes in Peru. It extends in a northerly direction approximately between 11º 39’ and 12º 37’S and 75º 30’ and 76º 20’W for about 60 km to 100 km. It contains the Paryaqaqa (P), Yauyos (Y) and Pichqa Waqra (PW) mountain ranges. It is located in the Junín Region and in the Lima Region. Read more on Wikipedia.

    Wikidata
  3. #3 Montes Cordillera — 964 km

    mountain range

    Montes Cordillera is a mountain range on the Moon. This feature forms the outer ring of peaks surrounding the Mare Orientale impact basin, with the inner ring formed by the Montes Rook. The center of the range is located at selenographic coordinates 17.5° S, 81.6° W, and the diameter spans 574 km (357 mi). Read more on Wikipedia.

    Wikidata
  4. #4 Montes Apenninus — 600 km

    mountain range on the Moon

    Montes Apenninus are a rugged mountain range on the northern part of the Moon's near side. They are named after the Apennine Mountains in Italy. With their formation dating back about 3.9 billion years, Montes Apenninus are fairly old. Read more on Wikipedia.

    Wikidata
  5. #5 Sierra Harana — 510 km

    mountain in Spain

    The Sierra Arana or Sierra de Arana, also known as Sierra Harana, is a mountain range in the center of the province of Granada, southern Spain. Its highest peak is the Peña de la Cruz, at 2,027 m (6,650 ft). Read more on Wikipedia.

    Wikidata
  6. #6 Montes Alpes — 335 km

    lunar feature

    Montes Alpes is a mountain range in the northern part of the Moon's near side. It was named after the Alps in Europe; the name was confirmed by the International Astronomical Union in 1935. It lies between the selenographic coordinates latitudes 52.81°N and 42.04°N, and longitudes 5.6°W and 3.22°E. The range thus crosses the lunar prime meridian, and is partially illuminated and partially in shadow during first and last quarters. The center of the range is at 48.36°N, 0.58°W, and has a... Read more on Wikipedia.

    Wikidata
  7. #7 Montes Carpatus — 334 km

    mountain range

    Montes Carpatus is a mountain range that forms the southern edge of the Mare Imbrium on the Moon. The selenographic coordinates of this range are 14.5° N, 24.4° W, and the formation has an overall diameter of 361 km (224 mi). They were named by astronomer Johann Heinrich von Mädler after the Carpathian Mountains in Central Europe. Read more on Wikipedia.

    Wikidata
  8. #8 Cariboo Mountains — 245 km

    Subrange of the Columbia Mountains in British Columbia, Canada

    The Cariboo Mountains are the northernmost subrange of the Columbia Mountains, which run south into the Spokane area of the United States and include the Selkirks, Monashees and Purcells. The Cariboo Mountains are entirely within the province of British Columbia, Canada. The range is 7,700 square kilometres (3,000 sq mi) in area and about 245 km in length (southeast–northwest) and about 90 km at its widest (southwest–northeast). Read more on Wikipedia.

    Wikidata
  9. #9 Kabir Kuh — 240 km

    mountain in Ilam Province, Iran

    Kabir Kuh is one of the long ranges of the Zagros Mountains near the border of Lurestan and Ilam provinces in Ilam province, Iran. Covering an area of 9,500 km2 (3,700 sq mi), Kabir Kuh stretches 175 km (109 mi) in length and 48–80 km (30–50 mi) in width along the Zagros Mountains in the northwest–southeast direction. It begins about 20 km (12 mi) south of Ilam and stretches down to the vicinity of Andimeshk in Khuzestan. Made mainly by Cretaceous sedimentary rocks, the Kabir Kuh... Read more on Wikipedia.

    Wikidata
  10. #10 Galician Dorsal — 210 km

    mountain chain in Spain

    source Wikidata