4.7
(56)
496
hikers
00:46
2.93km
20m
Hiking
150,000 people a year make their way around the pond in the raised bog, amidst a nature reserve that is one of the most important in Switzerland. There are good reasons for this: the unique flora in the moorland meadows, the lake that is accessible all around, and the mystical atmosphere of a landscape type that has become very rare in Europe.
To effectively channel the impact of such influxes on nature, work on the hiking trail will continue until spring. For example, bridges are being built to minimize the literal pressure visitors place on the ground. This will allow you and everyone else to continue experiencing this unique nature reserve up close. Until then, please note any route changes when you set out: https://www.parcdoubs.ch/fr/actualites/importants-travaux-a-letang-de-la-gruere
Last updated: April 15, 2025
Waypoints
Start point
Bus stop
Get Directions
750 m
Highlight • Lake
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Tip by
2.02 km
Highlight (Segment) • Lake
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Tip by
2.20 km
Highlight • Lake
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Tip by
2.93 km
End point
Bus stop
Way Types & Surfaces
Way Types
2.75 km
168 m
< 100 m
Surfaces
2.26 km
493 m
168 m
< 100 m
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Elevation
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Weather
Powered by Foreca
Sunday 17 May
12°C
3°C
83 %
Additional weather tips
Max wind speed: 14.0 km/h
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This route was planned by komoot.
Today was the day. Sunshine and also enough cold, so the pond was finally accessible, an eerie feeling, especially when you suddenly heard a cracking sound 😳
The Jura is a quick-change artist and offers plenty of nature and relaxation in every season. So a hike is part of the tradition at any time of the year. Now in summer the temperature on the Jura heights and in the forests is a little more bearable than on the central plateau. The moor area around the Etang de la Gruère is at 1,000 meters above sea level. The area is also easily accessible by postbus or train via Saignelégier, Les Reussilles or Tramelan. Horse lovers would prefer the four-in-hand.😉😂
The Etang de la Gruére near Saignelégier is "a quick-change artist". Depending on the season, it appears black (moorland), blue or white when it is frozen over. The circular route through the landscape protection area offers something impressive at all times! Simple path that can also be expanded. The Jura offers something for many sports interests!
Once again inhaled the humid, "oxygen-rich" air; at the Etang de la Gruére in the Bernese Jura, not far from Tramelan. The hair dryer has left its mark and the first spring fever 🤪 is coming up. Then have fun!
Short hike around the beautiful Étang de la Gruère. It is a dammed moor lake located on the high plateau of the Franches-Montagnes in the Swiss Jura. It was built in the 17th century to operate a mill. The peat or raised moor extends over 56 hectares and is 9 meters thick, and has accumulated over the last 12,000 years. The nature reserve invites you to relax and unwind, the "black" water and the beautiful forest have something calming about them. Simply beautiful!
The area is one of the largest and best-preserved raised bogs in Switzerland. It is of exceptional scenic and biological value and is now under cantonal, national, and European protection. We walk the almost 3 km around the moor lake on soft paths and wooden boardwalks. It is wonderfully quiet here, and one becomes quite humble. ITS HISTORY When the glaciers retreated around 13,000 years ago, they left behind impermeable rock layers. This favored the growth of sphagnum mosses and thus the formation of peat. This created an extensive raised bog covering an area of almost 85 hectares. In the 17th century, a moor lake was created at its lowest point to supply the La Gruère mill with hydropower. Numerous drainage ditches cut across the moor were intended to increase the water flow to the lake. Today, a sawmill stands in place of the old mill. Since 1952, it has been using electricity from the public grid. This has led to the moor lake losing its importance as a water reservoir. The raised bog, which relies on moisture, continues to dry out due to ongoing drainage. This will lead to the long-term destruction of this valuable and rare habitat. This also releases large amounts of CO2 bound in the peat, with negative consequences for our climate.
The black-looking moor lake in the middle of a nature reserve invites you to hike and enjoy at any time of the year. The tour is partly on a wooden plank path. Worthwhile for young and old, incl. picnic or in the nearby "Auberge de la Couronne" (closed Mon/Tuesday).
Comments
March 14, 2025
150,000 people a year make their way around the pond in the raised bog, amidst a nature reserve that is one of the most important in Switzerland. There are good reasons for this: the unique flora in the moorland meadows, the lake that is accessible all around, and the mystical atmosphere of a landscape
Translated by Google •
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