The beach is situated on the reservoir created by the Água Vermelha Hydroelectric Plant, which dammed the Grande River.
The water quality in the reservoir is monitored by the environmental agency CETESB to ensure suitability for swimming.
The municipality of Mira Estrela is known for its high concentration of recreational properties and secondary homes due to the proximity of the reservoir.
The area is prone to seasonal fluctuations in water level depending on the operational requirements of the downstream hydroelectric dam.
Prainha Mira Estrela is an artificial freshwater beach located on the banks of the Água Vermelha Reservoir in the municipality of Mira Estrela, São Paulo. The area features a long stretch of sandy coastline along the Grande River. The site is managed as a public recreational park with structured infrastructure for water sports and leisure. It serves as a primary hub for fishing, boating, and swimming in the region. The reservoir waters are characterized by their calm, dark appearance and relative depth near the banks. The location provides amenities such as kiosks, public restrooms, and green space for camping or picnicking. It is a regional destination frequently utilized by local residents and visitors from neighboring towns in northwestern São Paulo. The environmental conditions are subject to the water levels of the hydroelectric reservoir.
The wooden pier extending into the reservoir during the golden hour for a clear view of the water horizon.
Bring portable sun protection and shade equipment, as the sandy beach area has limited natural tree cover.
Check local weather reports specifically for wind conditions, as the open expanse of the reservoir can experience strong gusts.
Carry insect repellent, as the riverside vegetation can attract mosquitoes during dusk hours.
Do not swim outside of the designated buoyed areas, as the reservoir bottom can feature unexpected drop-offs and submerged structures.
More crowded on weekends and Brazilian national holidays; infrastructure utilization may vary during the rainy season.
Maintain noise levels during evenings if camping; dispose of all waste in designated bins to protect the reservoir's water quality.
