Best natural monuments around Thyrnau are found in a region characterized by its scenic setting on the southern spurs of the Bavarian Forest. This area is notable for its proximity to Passau, the "Three Rivers City," where the Danube, Inn, and Ilz rivers converge. The confluence of these rivers presents a unique natural spectacle, with each river maintaining distinct water colors. The landscape offers diverse natural features, including riverine environments and elevated viewpoints.
Last updated: June 24, 2026
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At the western end of the dam there is a beautiful lawn where you can swim. If you cross the dam and follow the narrow hiking path on the east side after the turnstile for about 1km, you will reach a small meadow. There you can also sunbathe naked in peace. When I visited in August 2024 there were only a few visitors and it was wonderfully quiet and relaxed.
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Beautiful easy hike on hiking trail 1 through the Saußbachklamm
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Very nice, picturesque route along a small path along the Ilz.
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The Stockbauersteig is the rock massif named after the builder of the bridge "Franz Stockbauer".
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The Stockbauersteig is a quick and easy way to continue the hiking trail on the Ilz. The path from the Trifttunnel would otherwise end in a dead end.
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The Haugstein is the highest elevation in the Innviertel
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Yes, all three flow together here - the Inn, the Danube and the Ilz. Wonderful place up here.
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The snow and rain have knocked down some trees here, making it relatively difficult to walk the Stockbauersteig at the moment.
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The region around Thyrnau is notable for its riverine landscapes and geological formations. A prime example is the Three Rivers Corner (Ortspitze) in Passau, where the Danube, Inn, and Ilz rivers converge, each maintaining distinct water colors. You can also discover the Watercourse of the Saußbachklamm gorge over a sea of rocks, offering a quiet hike through untouched nature with a cooler environment on warm days.
Yes, the Three Rivers Corner (Ortspitze) itself provides a unique viewpoint to observe the confluence of the three rivers. Additionally, the Haugstein Summit (895 m), the highest mountain in the Sauwald, offers views from its wooded ridge, with some spots providing glimpses of the Danube valley towards Bavaria.
The area around Thyrnau offers diverse outdoor activities. You can find numerous options for mountain hikes, such as the 'Vichtenstein Castle – Haugstein Summit (895 m) loop' or the 'Oberilzmühle Reservoir – Ilz Crossing at Fischhaus loop'. For mountain biking, trails like the 'Streamside Hiking Trail – Aubach Bridge loop' are available. Road cycling enthusiasts can explore routes like the 'Old Town Hall, Passau – Passau — City of Three Rivers loop'. More details on these activities and routes can be found in the respective guides for Mountain Hikes, MTB Trails, and Road Cycling Routes around Thyrnau.
Absolutely. The Watercourse of the Saußbachklamm gorge over a sea of rocks offers a beautiful, easy hike on hiking trail 1. Another picturesque route is the Stockbauer Footbridge and Stockbauer Trail at the Halser Ilz Loops, which provides a very nice and quiet spot along the Ilz river, not far from the city.
Yes, several natural monuments are suitable for families. The Three Rivers Corner (Ortspitze) is a fascinating spot for all ages to witness the river confluence. The Watercourse of the Saußbachklamm gorge over a sea of rocks offers a quiet and not strenuous hike, making it enjoyable for families. Additionally, the Oberilzmühle Reservoir is a family-friendly recreation area with a beach.
The natural monuments around Thyrnau can be enjoyed throughout much of the year. Spring and autumn offer pleasant temperatures for hiking and exploring the river landscapes and gorges. Summer provides a cooler environment in places like the Saußbachklamm gorge. While specific winter trail conditions are not detailed, the scenic beauty of the region can be appreciated in different seasons.
The rivers, particularly the Ilz, have historical importance for the region. The Ilz was historically used for timber transport, with tree trunks from the Bavarian Forest floating down to the Danube near Passau. The Stockbauer Footbridge and Stockbauer Trail at the Halser Ilz Loops stands as a testament to the region's connection with its natural resources and past engineering efforts.
Visitors frequently highlight the unique natural spectacle of the river confluences, especially the distinct water colors at the Three Rivers Corner (Ortspitze). The tranquility and untouched nature of places like the Watercourse of the Saußbachklamm gorge over a sea of rocks are also highly appreciated. Many enjoy the picturesque routes along the Ilz river, offering quiet spots away from the city.
Yes, the Oberilzmühle Reservoir is a notable natural monument that serves as a very nice recreation area, featuring a beach and a great, large lounge area by the river. It's considered an insider tip for enjoying the clear waters of the Ilz and tranquility.
To experience the unique river confluence, visit the Three Rivers Corner (Ortspitze) in Passau. Here, you can witness the Inn (green water), Danube (blue water), and Ilz (black water) merging, creating a striking visual contrast that persists for a considerable distance downstream. Boat tours on the Danube are also available to see the confluence firsthand.
The terrain varies, ranging from easy, quiet paths through gorges like the Watercourse of the Saußbachklamm gorge over a sea of rocks to more intermediate trails leading to summits such as the Haugstein Summit (895 m). Many routes involve forest paths and riverside trails, offering diverse walking experiences.


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