Río del Toro (Spanish for Bull River) is a location featured in Red Dead Redemption in the Perdido region of the Nuevo Paraíso territory.
The area is an out-of-the-way location along the southern shore of the San Luis River, north of Chuparosa.
The fourth treasure of the Treasure Hunter Challenges can be found here. This area cannot be reached until Marston gains access to Nuevo Paraíso.
The discovery of locations in Red Dead Redemption count towards the following Trophies/Achievements:
Attain 100% List in the singleplayer game completion list.