Alas pagunungan utawa alas montana (montane forest) iku formasi alas tropika teles sing dumadi ing wewengkon pagunungan. Salah siji ciriné, alas iki kerep dislimuti méga, lumrahé ing èlevasi dhuwur tajuk (kanopi)né. Wit-witan lan lemah ing alas iki kerep katutup déning lumut, sing thukul ngrembaka. Amarga saka iku, formasi alas iki uga dijenengaké alas lumut, alas kabut, utawa alas méga (cloud forest).

Tabel perbandingan karakter patang formasi alas tropika teles.^[1][2]

Alas-alas pagunungan ana di nagara-nagara

Wikimedia Commons duwé médhia ngenani Cloud forests.

• Monteverde Costa Rica Cloud Forest Archived 2008-11-20 at the Wayback Machine.
• Tropical Montane Cloud Forest Initiative Archived 2008-04-05 at the Wayback Machine.
• National Geographic (2001), "Cloud Forests Fading in the Mist, Their Treasures Little Known"
• An Ecological Reserve in the Cloud Forest of Mindo Ecuador
• St. Elena and Rara Avis, Costa Rica - Video Archived 2011-05-19 at the Wayback Machine.
• Tropical hydrology and cloud forests project Archived 2007-10-12 at the Wayback Machine.
• Hydrology of tropical cloud forests project Archived 2007-11-18 at the Wayback Machine.
• Cloud Forest Video - Rara Avis CR