Halser Ilzschleifen, Protected area in Passau and Salzweg, Germany
Halser Ilzschleifen is a protected nature reserve covering about 89 hectares where the Ilz River winds through slate formations and creates natural geological patterns. The terrain includes steep riverbanks, river curves, and various habitats distributed throughout the entire area.
This protected area was established in 1993 after a citizens' movement successfully blocked construction of a bridge connecting major highways. That decision preserved the land in its natural state.
Two medieval fortresses shape this area: Burg Hals perches on a narrow rock ridge, while Burg Reschenstein below it features a distinctive square tower. Both structures remain privately owned and serve as recognizable landmarks in the landscape.
An 11-kilometer marked hiking trail starts from the parking area at Passau-Hals and traverses the entire reserve on clearly marked paths. Walking is the best way to explore, and sturdy footwear is advised since paths can be steep and slippery in places.
The reserve is home to around 133 moss species and the woolly spurge, a plant that grows nowhere else in Germany. This botanical rarity draws nature researchers and plant enthusiasts to the area.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
