Best natural monuments around Dieksee are found in the scenic Holstein Switzerland region. The Dieksee itself is a 386-hectare lake, up to 38 meters deep, formed during the last ice age approximately 10,000 years ago. The Schwentine river flows through this significant geological landmark, which also features islands such as Langenwarder and Gremswarder. This area offers a variety of natural formations and features.
Last updated: June 27, 2026
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The Dieksee is a lake in Holstein Switzerland. It covers 386 hectares, has a maximum length of approximately 3.4 km and a maximum width of 1.6 km. The lake is up to 38 m deep and lies approximately 22 m above sea level. The Schwentine River flows through it from east to west.
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Discover Holstein Switzerland from the water Come aboard the white fleet and discover the unique natural landscape of Holstein Switzerland! On the beautiful 5-Lakes Cruise or Kellersee Cruise, you'll experience Holstein Switzerland from a completely new perspective. Lake cruises are an experience not only on warm summer days, but also in inclement weather. On our heated boats – some with catering – even the dreariest rainy day can be enjoyed.
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Those suffering from heartbreak drink from the spring, while those seeking refreshment use the natural Kneipp pool. According to popular belief, those suffering from heartbreak are healed after a hearty drink from the "spring of broken hearts." Those seeking additional refreshment can use the natural Kneipp pool right next door.
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According to popular belief, anyone suffering from heartbreak will be healed after a strong drink from the "spring of broken hearts". Anyone looking for additional refreshment can use the natural Kneipp pool right next door.
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Ponds located in the Diekseeholm forest area, which were formerly used for fish farming. These natural attractions in Malente were created in 1869 for the breeding of noble fish. The ponds are fed by fresh spring water from the "Diekseeholm" forest area. They are connected to each other by small streams and channels. The ponds get their name because the surrounding trees are particularly beautifully reflected in the calm, smooth water. In the immediate vicinity of the Spiegelteiche (Mirror Ponds) is one of Malente's Kneipp facilities: a natural water treading pool and an arm-kneading pool.
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Kneipp pool at the Spiegelteichen Since 1955, when Malente was appointed a Kneipp spa town, the Spiegelteichen have been used for water applications according to Sebastian Kneipp. As the constantly flowing, fresh, and cool water is well-suited for this, there is still a water-treading pool and an arm-kneading pool here today.
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Those suffering from heartbreak drink from the spring, those seeking refreshment use the natural Kneipp pool. According to popular belief, those suffering from heartbreak are cured after a strong drink from the "spring of broken hearts". Those seeking additional refreshment can use the natural Kneipp pool right next door. (Source: https://www.holsteinischeschweiz.de/poi/quelle-gebrochene-herzen)
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The Dieksee region, part of Holstein Switzerland, offers several unique natural features. The Mirror Ponds and Kneipp Pool, Malente, are known for their calm waters reflecting the surrounding trees and their historical use for fish breeding, now also serving as a natural Kneipp facility. The Dieksee itself is a large, deep lake formed during the last ice age, featuring islands like Langenwarder and Gremswarder, and is traversed by the Schwentine river. You can also find the Spring of Broken Hearts, a natural spring with a refreshing Kneipp pool.
Yes, several natural monuments around Dieksee have historical significance. The Mirror Ponds and Kneipp Pool, Malente, for instance, were originally created in 1869 for breeding noble fish. Since 1955, they have also been utilized as Kneipp pools, reflecting Malente's history as a Kneipp spa town. The Dieksee itself is a geological landmark, formed by glacial activity during the last ice age approximately 10,000 years ago.
The natural monuments around Dieksee can be enjoyed year-round, but each season offers a different experience. Spring and autumn provide pleasant temperatures for hiking and cycling, with beautiful foliage changes. Summer is ideal for water activities on the Dieksee, such as swimming at the lido or taking a 5-Lakes Cruise. The Mirror Ponds are particularly picturesque when the surrounding trees are in full leaf, offering their namesake reflections.
Many natural monuments around Dieksee are family-friendly. The Mirror Ponds and Kneipp Pool, Malente, offer a tranquil setting where children can enjoy the reflections and perhaps even try the refreshing Kneipp water treatments. The Schwentine Bridge Timmdorf provides scenic views over the Dieksee, and the Dieksee Promenade is suitable for walks and cycling with children. The Spring of Broken Hearts also has a small rest area, perfect for a family break.
The Dieksee area offers a wide range of outdoor activities. You can enjoy various hikes, from easy strolls along the Dieksee Promenade to more challenging routes through the surrounding forests. Cycling is also popular, with options for gravel biking and road cycling. For water enthusiasts, the Dieksee is perfect for swimming, angling, or taking a scenic boat tour like the 5-Lakes Cruise. You can find more details on specific routes in our guides for easy hikes around Dieksee, gravel biking around Dieksee, and road cycling routes around Dieksee.
Yes, there are numerous hiking trails that allow you to explore the natural monuments around Dieksee. A popular trail runs directly between the Dieksee and the Mirror Ponds and Kneipp Pool, Malente. The Dieksee Promenade offers a well-maintained path along the western shore, providing excellent views. You can find a variety of easy hiking routes, such as the 'Viewing platform at the Dieksee – Mermaid Statue on Dieksee loop from Bad Malente-Gremsmühlen' or the 'Hofcafé Radlandsichten – Dieksee loop from Timmdorf', in our dedicated guide for easy hikes around Dieksee.
Visitors particularly enjoy the tranquil and picturesque settings. The Mirror Ponds are cherished for their smooth, reflective surfaces and the refreshing Kneipp facilities. The Dieksee itself is appreciated for its stunning natural beauty, opportunities for water sports, and scenic boat cruises. The Spring of Broken Hearts is noted for its refreshing spring water and the peaceful rest area it provides. The overall experience of being in nature, combined with the historical and recreational aspects, makes the area very appealing.
Public transport options are available to reach the Dieksee area. Malente-Gremsmühlen is a central point, often accessible by train, and local bus routes can connect you to various points around the Dieksee. For specific schedules and connections, it's advisable to check local transport provider websites or the official tourism site for Malente, such as malente-tourismus.de.
Yes, several spots offer excellent views. The Schwentine Bridge Timmdorf provides a great vantage point over the Dieksee. The Dieksee Promenade, especially along its western shore, offers continuous scenic views of the lake and its islands. Additionally, the Mirror Ponds, while not offering panoramic lake views, provide beautiful reflections of the surrounding forest.
Near the natural monuments, you can find various facilities to enhance your visit. The Mirror Ponds and Kneipp Pool, Malente, include Kneipp facilities for water treatments and often have covered rest areas nearby. The Spring of Broken Hearts also features a small rest area. Along the Dieksee, especially in areas like Malente-Gremsmühlen, you'll find amenities such as cafes, restaurants, and accommodation options. There's also a free lido with a diving tower for swimming during warmer months.
Yes, the Dieksee is suitable for swimming, particularly during the warmer months. The lake boasts good water quality, and there are various access points. A popular spot is the free lido, which even features a diving tower, making it an inviting place to cool off and enjoy the water.
The Dieksee holds significant geological importance as it was formed during the last ice age, approximately 10,000 years ago. It is a classic example of a 'tongue basin' and subsequent rinne lake, created by glacial activity. This formation process is characteristic of the Holstein Switzerland region, making the Dieksee a key natural landmark reflecting the area's glacial past.


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