Poço das Cobras is a waterfall on the Rio Preto in Bahia, Brazil, featuring a large, roughly 60-meter-long pool of dark, reddish water. The trail to reach it is a moderate hike of about 1. 2 to 1.

9 kilometers, with an elevation gain of approximately 100 meters, typically taking between 30 minutes to an hour to complete. It is located a short distance beyond the Boa Vista Waterfall, requiring an additional 10-15 minute walk over rocks.