Blanche (Lac Marin)

20.5°C Water temp · Jun 8

France Coastal 1 - Excellent 20.5°C

Satellite image of BLANCHE (LAC MARIN) — Satellite image © Esri

Lake Hossegor contains four designated bathing beaches: Parc, Rey, Blanche, and Chênes Lièges. The lake is located in the Landes department in southwestern France. These beaches are monitored for water quality and recreational safety throughout the bathing season.

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Water

Lake Hossegor (Lac d'Hossegor). Shallow inland lake with multiple designated swimming zones.

Location

Soorts-Hossegor, Landes department, France. Administered by SMGBL and the Messanges town hall.

Facilities

Facilities present at the beaches include lifeguards, toilets, showers, disabled access, and warning flags. Specific amenities vary by beach location.

Season

Monitoring occurs during the bathing season, with particular focus on July and August.

Water Quality

Water quality is monitored through regular bacteriological controls and self-monitoring (autocontrôle). Monitoring includes testing for E. coli and enterococci. Cyanobacteria monitoring is conducted according to a regional alert and monitoring protocol. Historical data shows occasional non-conformities in bacteriological results. Rainfall events are correlated with water quality deterioration.

Risks

Cyanobacteria proliferation is a vulnerability monitored at the lake. Storm water discharges and wastewater infrastructure present potential pollution sources. Port activities at Capbreton and contributions from the Bourret-Boudigau watershed may affect water quality.