Waalwege is the local name for the typical regional paths accompanying the old irrigation channels
at the foot of the mountains. Waalwege are in fact among South Tyrol's most popular hiking trails
The irrigation channels were built centuries ago to ensure the irrigation of the dry fields
and to forestall periods of drought. The channels extend for many kilometers across the landscape and bring the water from the glacier-rivers down into the valley. Like the ancient aqueducts, they are only permitted a minimum incline, ensuring that the gradient of the hiking trails relatively even.
There are several ancient irrigation channels in the Venosta Valley running along the dry grassland at Monte Sole mountain, making it a paradise for songbirds and rare animals
. The trails are accessible throughout the year and offer great views of the mighty Alpine mountain ranges of the valley. The water courses around Malles Heath – Oberwaal, Leiten- and Bergwaal
– are particularly spectacular.