Arroio Retiro is located near the municipality of Três Forquilhas in Rio Grande do Sul, Brazil. The primary access point for this watercourse is via the RS-486 highway, near the town of Itati and adjacent to a gas station. The trail associated with the arroio is 11.6 miles long and features an elevation gain of 1,630 feet, indicating a waterway that flows through terrain with significant changes in altitude. This suggests a paddling experience likely characterized by moving water and potentially scenic, forested surroundings. The area is used for trail-based recreation, implying a natural setting. No specific information is available regarding major hazards, seasonal water temperatures, water quality, facilities for paddlers, or any restrictions on paddling activity.