Chult

With the exception of a few coastal settlements, Chult is untamed wilderness: dense jungles and snaky rivers ringed by mountains, volcanoes, and sheer escarpments. Walls of mountains to the west, south, and east shield the interior from the sea and from the view of sailors. The rivers are so sluggish that it can be difficult determining which direction is upstream and which is down. The rivers pick up speed only where they thunder down through steep-sided gorges. The safest entry points into this overgrown realm ("safest" is a relative term in this context) are on the north and east. The coast from the Bay of Chult to Refuge Bay offers beaches on which to embark into the uncharted jungle. Along the entire coast, the Bay of Chult is the only spot where travelers can find welcoming civilization. The rest of the peninsula is a breeding ground for blood-sucking, disease-bearing insects, monstrous reptiles, carnivorous birds and beasts of every variety, and murderous undead. The farther one moves from the coast, the more humid, hot, and inhospitable the land becomes.

Chult is hot, humid, and rainy throughout the year. The temperature regularly climbs as high as 95 degrees F during the day and seldom falls below 70 degrees F even at night. A day without rain is rare, but rain varies from a steady mist to drenching downpours. Visibility in heavy rain is limited to 50 yards. Beyond that distance, only Huge or larger objects can be distinguished. Missile weapon ranges are halved during rain. On days that receive heavy rain, there's a 25 percent chance of a full-blown tropical storm featuring sheets of rain, high wind, lightning, tall waves at sea, and immense surf along the coast. Guides who know the conditions in Chult recommend hunkering down and staying put on these days. Travel by river is impossible (canoes are swamped by waves within 15 minutes of launching).