The Ribeirão São Domingos, also referred to as the São Domingos River, is a watercourse in the state of Goiás, central Brazil. It is a relatively short river, with a documented length of approximately 493 meters, though its total upstream flow network extends for about 2 kilometers. The river's specific coordinates place it within the broader region of São Domingos, a municipality known for its proximity to the Terra Ronca State Park. This park is a significant natural attraction featuring extensive cave systems such as Caverna da Angelica and Caverna Terra Ronca 1, which are notable sights in the area. While the river itself is not described in detail, its location suggests it flows through or near a region characterized by significant karst geology and cave formations. For paddlers, mapped access points, launch sites, and public property boundaries along the waterway are essential for trip planning. Information on water conditions, public and private land demarcations, and boat ramp locations provides a foundational logistical framework for a paddling excursion. The river's short length indicates it may be suitable for brief outings or as part of a larger exploration of the region's aquatic and subterranean landscapes. The overall character of paddling here is likely influenced by its setting near a major ecotourism destination, suggesting a focus on natural exploration rather than extended river journeys.