English Wikipedia has a category on:
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Commons:Category
Commons:Category
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Newest and oldest pages 
Newest pages ordered by last category link update:
  1. cordillera de los Andes
  2. Aconcagua
  3. Sinaí
  4. Cumbre Vieja
  5. San Pablo
  6. Kilimanjaro
  7. Sierra Negra
  8. Liceo
  9. Andes
  10. Montserrat
Oldest pages ordered by last edit:
  1. ochomil
  2. tresmil
  3. cuatromil
  4. dosmil
  5. cincomil
  6. seismil
  7. sietemil
  8. Sierra Negra
  9. Dolomitas
  10. Sierra Madre Occidental

Spanish names of mountains.

NOTE: This is a name category. It should contain names of specific mountains, not merely terms related to mountains, and should also not contain general terms for types of mountains.