Lakes around Rottenschwil are characterized by their connection to the Reuss River and diverse water bodies. The area features the significant Flachsee, an artificial lake known as a national bird sanctuary, and the tranquil Still Rüss, an old arm of the Reuss River. While Rottenschwil itself does not contain large natural lakes, the region offers access to various aquatic environments, including the larger Hallwilersee slightly further afield. These locations provide opportunities for nature observation, walking, and peaceful recreation.
Last updated: June 24, 2026
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Yesterday, through a highly magnified pair of binoculars on one of these islands, I was able to observe five cormorants in close harmony: Magnificent! The birdlife here is truly diverse - a magnifying glass is actually a must. But the photos stored here by Komoot users are also great in this highlight - especially the photo of the kingfisher, which I unfortunately haven't had the chance to see yet...
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Beautiful bird viewing point. There are really nice photos early in the morning, as well as in the evening. But you can also see the birds really well during the day.
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Legend of Egelsee: Among the knights who once lived in our land there were many godless and violent people. No traveler on the road, no seed in the field, no ox at the plow and no carving in the trough were safe from them. They robbed, burned and murdered whatever fell into their hands. Such a monster of a knight also lived in a castle on the Heitersberg. His name was Riko. But his castle was called Bauernweh because it only brought misery and misfortune to the farmers in the area. For the knight went out every day with wild dogs and rough companions in arms and returned to his castle in the evening with heavy robbery. On the way back from one such foray, they once came to the farm of a widow who had not been able to pay the interest on time. The monsters packed up the woman's belongings, drove her and her children out of the house and set it on fire. The mother only wanted to take a handful of flour with her to make porridge for her youngest child. Then the knight tore the child from her arms and threw it into the flames. "Now there's no need for porridge anymore," he sneered and ran off with his flock. The mother knelt in agony by the burning house and begged heaven to have mercy on the people and end their misery. And heaven heard the lamentation of the unhappy mother. That same night a terrible storm hit the area. Lightning flashed down on the castle without interruption, and with a mighty crash it sank, along with all hands, a hundred fathoms deep into the abyss. The following morning a deep, black lake lay where she had sunk. For a long time he was feared and avoided by people. It's the Egelsee
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When the weather is nice, you have a wonderful view over Zurich, Lake Zurich and across to the Black Forest. On the other side, you can see the Glarus and Central Swiss Alps - with the Rigi and Pilatus in the foreground.
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Restaurant Felsenegg At an altitude of 800 meters, with breathtaking views of the city of Zurich, the lake, and the Alps. Enjoy unforgettable moments in the cozy dining room and on the magnificent sun terrace with breathtaking panoramic views of Lake Zurich. https://www.felsenegg.com/.
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Ausuck well chosen - especially if you are there alone
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Before setting off on a hike from there, it is worth stopping off or just taking a look at Lake Zurich around the city!
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The lakes around Rottenschwil are characterized by their connection to the Reuss River and diverse water bodies. The area features the significant Flachsee Nature Reserve, an artificial lake known as a national bird sanctuary, and the tranquil Still Rüss, an old arm of the Reuss River. While Rottenschwil itself does not contain large natural lakes, the region offers access to various aquatic environments, including the larger Hallwilersee slightly further afield, providing opportunities for nature observation, walking, and peaceful recreation.
Yes, the region is excellent for nature observation. The Flachsee Nature Reserve is renowned as a national bird sanctuary, providing crucial breeding, resting, and wintering grounds for numerous waterfowl species, with around 240 bird species recorded. Beavers are also present. The Still Rüss, an old arm of the Reuss River, is another important habitat for various bird species, insects, and plant life, offering circular walks for nature observation.
Families can enjoy several activities. The Flachsee Nature Reserve offers a flat path along its left bank, perfect for walking and birdwatching, with designated barbecue areas outside protected zones. Fischbacher Mösli is a small pond in a forest, ideal for short breaks and features fire pits for grilling. The Hallwilersee, though further afield, offers swimming, boating, and a 22 km circular path suitable for family walks.
Yes, there are numerous hiking trails. For example, you can find easy to moderate routes around the Flachsee, such as the "Flachsee Nature Reserve – Hermetschwil Abbey loop" (6.6 km, easy) or the "View of St. Martin's Monastery – Flachsee Nature Reserve loop" (14.1 km, moderate). You can explore more options on the Hiking around Rottenschwil guide.
The lakes around Rottenschwil can be enjoyed year-round. Spring and autumn are ideal for birdwatching at the Flachsee Nature Reserve due to migratory birds. Summer is perfect for activities like swimming and boating at Hallwilersee. The tranquil settings of places like Egelsee and Fischbacher Mösli offer peaceful experiences in any season.
While the lakes themselves are primarily natural features, the region offers historical context. The nearby town of Bremgarten, with its picturesque old town, has a long history. Further afield, Hallwyl Castle is located near Hallwilersee, offering insights into the region's past.
Absolutely. The Flachsee features a flat and wide path along its left bank, offering excellent opportunities for easy walking and birdwatching. The Still Rüss also has circular walks suitable for nature observation. For more options, check the Hiking around Rottenschwil guide, which includes easy-rated routes.
Yes, the region is generally accessible by public transport. Specific routes and schedules would depend on your starting point and destination lake. For example, the Flachsee is reachable from Bremgarten, which has good connections. It's advisable to check local transport schedules for the most convenient options to your chosen lake.
Visitors particularly appreciate the peaceful atmosphere and natural beauty. The Egelsee is loved for its idyllic setting and tranquility. The Flachsee Nature Reserve is highly valued for its diverse birdlife and opportunities for quiet observation. Many enjoy unwinding from everyday life and simply enjoying nature's silence at spots like Fischbacher Mösli.
While general access to nature reserves like the Flachsee Nature Reserve is usually open, it's important to respect protected zones and follow local signage. These areas are crucial for wildlife, so staying on marked paths, keeping dogs on leashes, and refraining from disturbing animals are essential. No specific permits are typically required for general visitation, but always check local information boards.
Yes, the area offers various routes for cycling and running. For running, you can find moderate trails like the "Flachsee – Domililochsteg Bridge loop" (7.4 km). Gravel biking enthusiasts can explore routes such as "Erdmannlistein – Cholmoos Pond loop" (23.4 km). More options are available in the Running Trails around Rottenschwil and Gravel biking around Rottenschwil guides.
While the Flachsee and Still Rüss are primarily nature reserves and not ideal for swimming, the larger Hallwilersee, located slightly further afield, is a popular recreational destination that offers ample opportunities for swimming and other water sports during the warmer months.


Still not found your perfect lake around Rottenschwil? Check out the guides of these regions to see even more beautiful places.