| Los Bermejales Reservoir | |
| Pushpin Map: | Spain Andalusia |
| Location: | Arenas del Rey |
| Coords: | 36.9839°N -3.8872°W |
| Type: | reservoir |
| Outflow: | Cacín River |
| Basin Countries: | Spain |
Los Bermejales Reservoir (Spanish; Castilian: Embalse de los Bermejales) is a reservoir in Arenas del Rey, province of Granada, Andalusia, Spain.It is fed by streams from the Sierra de Almijara mountains in the Sierras of Tejeda, Almijara and Alhama Natural Park and is the source of the Cacín River.