Le Lac Bleu

Le Lac Bleu is a reservoir near Ambérieu-en-Bugey with water that shifts from pale blue to turquoise depending on sunlight, surrounded by mountains and forest paths. The site features multiple marked trails circling the water, designated picnic spots, and parking areas by the main entrance.

The lake was created several decades ago to supply drinking water to the local population. Over time, it developed into an important recreational destination for the area.

The lake has become a gathering point where local residents spend leisure time together by the water. People come here to enjoy the outdoors and appreciate what the surrounding nature offers.

The site is easy to visit with good access around the shore and clear trail markers. Arriving early in the morning or on weekdays allows you to see the water colors at their best and encounter fewer people.

The water shifts through different color tones throughout the day, creating exceptional reflections that attract photographers seeking to capture light and color. This colorful transformation often goes unnoticed compared to other regional attractions, yet rewards visitors willing to explore different times of day.