Archives of Nethys

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Infinite Worlds / Mountain

Mountain Worlds

Source Galaxy Exploration Manual pg. 73
The vast majority of terrestrial planets have some kind of mountainous region, though the diversity of their wildlife and landscapes may obscure the common thread which links them. Planets composed entirely of mountains are often lightly populated—usually with small settlements scattered across peaks and valleys—and feature a great range of environments. The valley floor might be hot and extremely wet, while the mountain itself might be fully iced over and dry enough to crack skin. Desert mountains might be the inverse of this, with higher altitudes providing wetter conditions than the valleys.
Due to this diversity, flora and fauna have evolved to withstand many unique hurdles. Creatures accustomed to wetlands in other regions prefer to explore higher, drier areas, and many light-preferring animals have become accustomed to longer bouts of shady weather. All inhabitants have learned to live with big earthquakes and small aftershocks.
A commonality among most mountain worlds is a lack of moisture. Whether such planets are covered in dusty desert or bone-chilling ice, the air is dry and difficult to breathe. Face coverings and breathing apparatuses are necessary to avoid long days of upward crawls that slowly turn lethargic as throats crack and brains starve for oxygen.
Mountain worlds often experience outsized tectonic activity, rock slides, and avalanches. The damage caused by even small tremors can be catastrophic for valley cities or hillside homes. Mountainsides can be riddled with the bodies of fallen travelers, climbers, and prospectors. Due to the remoteness and danger of collecting these bodies, they are often left behind without a burial, and it is not uncommon for the undead to roam these vast ranges.