Lakes around Widen, Switzerland, are primarily found in the surrounding Canton of Aargau and nearby regions. While Widen itself does not feature prominent natural lakes, the vicinity offers diverse aquatic environments. These include natural lakes, man-made reservoirs, and protected wetland areas. The landscape provides opportunities for nature observation, walking, and water-based activities.
Last updated: May 11, 2026
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Quietly located lake in the middle of the forest, ideal for a short pause and a breath of fresh air. The Egelsee impresses with its natural atmosphere and is a beautiful intermediate point on the tour – a real feel-good spot, especially on warm days.
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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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Very nice! Especially during sunset.
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The Flachsee is a natural paradise
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Man-made and still nature poor😉
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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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Along the Reuss, partly in the shade of the trees, you can easily reach the Flachsee from Bremgarten.
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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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The most popular lake is Egelsee, known for its dark, boggy waters and protected marshland. Other highly appreciated spots include Flachsee Nature Reserve, a significant bird sanctuary, and Cholmoos Pond, a tranquil forest lake.
You can expect diverse natural environments. Egelsee is surrounded by marshland and a beech forest, both protected nature reserves with around 230 plant species. The Flachsee Nature Reserve is a vital wetland bird sanctuary, home to 75 bird species. You'll also find serene forest settings around Cholmoos Pond and Fischbacher Mösli.
Yes, the Flachsee Nature Reserve is an excellent spot for birdwatching. It's a significant bird reserve created by the damming of the Reuss River, providing a habitat for numerous bird species, including endangered ones. There's an observation station and information boards along a nature trail to enhance your experience.
Yes, some lakes offer swimming opportunities. Egelsee has designated bathing areas. Further afield, Türlersee in the Canton of Zurich has a lido (with an entrance fee), and Walensee, though more distant, is known for its crystal-clear water that warms up to 20-23 degrees Celsius in summer, making it inviting for swimming.
Absolutely. Many lakes offer pleasant walking and hiking opportunities. You can find moderate running trails around Egelsee, such as the 'Hasenberg Tower – Lake Egelsee loop from Widen'. The Flachsee also features a nature trail. For more options, explore the 'Running Trails around Widen' guide for routes like 'Bremgarten Old Town – Camping Bleiche on the Reuss loop from Zufikon' at komoot.com/guide/102831/running-trails-around-widen.
Beyond hiking and swimming, the area offers various outdoor activities. You can enjoy gravel biking with routes like 'Egelsee – Egelsee loop from Dietikon' from the 'Gravel biking around Widen' guide at komoot.com/guide/3455635/gravel-biking-around-widen. Road cycling is also popular, with routes such as 'View of Türlersee – Lake Türler loop from Rudolfstetten' available in the 'Road Cycling Routes around Widen' guide at komoot.com/guide/69201/road-cycling-routes-around-widen. Türlersee also offers stand-up paddleboarding and rowing boat rentals.
Many lakes in the vicinity are suitable for families. Egelsee offers barbecue and picnic sites, while Flachsee Nature Reserve has an observation station and nature trail that can be educational for children. Fischbacher Mösli is a small pond with fire pits, perfect for a short family break.
The lakes are enjoyable year-round, but the best time depends on your preferred activities. Summer is ideal for swimming, especially at Walensee where the water warms up. Spring and autumn offer pleasant temperatures for hiking and birdwatching, with fewer crowds. Winter can provide serene, picturesque walks around the frozen or partially frozen landscapes.
Yes, for a tranquil escape, consider Cholmoos Pond, a quiet forest lake located in a conservation area, appreciated for its natural beauty. Fischbacher Mösli also offers a peaceful setting to unwind and enjoy nature.
The Flachsee Nature Reserve is unique as a man-made lake created by the damming of the Reuss River. It serves as a significant bird reserve, providing a breeding ground and wintering spot for 75 bird species, including endangered ones. It features an observation station and information boards along a nature trail.
Walensee, though further, is considered one of Switzerland's most beautiful lakes. It boasts crystal-clear water, long sandy beaches contrasting with steep rock faces, and charming towns like Amden and Weesen. The car-free village of Quinten enjoys a mild climate. You can enjoy swimming, boat trips, and scenic hiking trails, such as the one from Weesen to Quinten.
Yes, several lakes are significant for conservation. Egelsee and its surrounding marshland and beech forest are protected nature reserves. The Flachsee Nature Reserve is a crucial bird sanctuary. Türlersee is a protected nature reserve and an important amphibian spawning area, and Aarschächli is an Aare oxbow lake noted for its diverse plant and animal species.


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