The cloud cover that frequently blankets the plateau makes the landscape disorienting — landmarks that were visible at a distance become invisible in cloud.

The guides’ knowledge of the summit terrain is essential for finding camps, avoiding cliff edges in low visibility, and locating the specific features — the Crystal Valley, the Cave of the Winds, the tripoint — that most visitors want to experience.

Weather on the summit is unpredictable and can be severe.

Rain can begin without warning and continue for hours.

Lightning storms over the tepui can be intense and dangerous on the exposed plateau — guides make specific decisions about movement and shelter during electrical events.

The combination of rain, wind, and low temperatures can produce conditions that feel genuinely cold despite the tropical latitude.