Castella, randonnée vers le lac d ’Arasse et l’église de Sembas - 16,4km

Le ruisseau Bourbon qui prend sa source près du bourg du Castella est un affluent de la rive droite de la Garonne. Traversant ce circuit, il alimente de nombreuses retenues d’eau pour l’irrigation des terres agricoles de l’Agenais.

At 16.3 km, this is a solid full-day hike. At an average walking pace you can expect to complete the route in roughly 3 hours and 37 minutes.

The route forms a complete loop, returning you to where you started. This makes logistics simple and the outing entirely self-contained.

As a Local Walking Network (LWN) route, this trail has a strong community character. It serves both regular local walkers and visitors discovering the area for the first time.