4.5
(864)
5,286
hikers
16
hikes
Hiking around Merlas offers a network of trails through varied landscapes. The region features routes that explore local lakes, such as Lac de Saint-Sixte, and ascend to cols like Col des Mille Martyrs, providing views of the surrounding area. Hikers can also discover historical sites, including the ruins of Château Descours. The terrain generally consists of rolling hills and woodlands, with moderate elevation changes.
Last updated: July 1, 2026
4.5
(4)
24
hikers
5.94km
01:55
250m
260m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
7
hikers
7.95km
02:25
190m
190m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.

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3.0
(1)
7
hikers
9.22km
02:47
270m
270m
Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required.
4.0
(2)
4
hikers
9.93km
03:03
360m
360m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
4
hikers
6.94km
02:07
240m
240m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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What is this castle...a photo and/or description would be good, right? Sportingly
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Very pleasant pass to climb, not too steep a slope, well marked all the way.
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1
End of the climb and arrival on the plateau
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Arriving from Cessieu, I made a small detour via Voissant then the remaining 4 km to the Col des Mille Martyrs. Easy climb, no cars on this early Sunday afternoon and a very beautiful forest upon arrival. Bucolic viewpoints as a bonus during the climb. The descent to Saint-Geoire-en-Valdaine is perfect. Super rolling surface and moderate slope allow you to reach 50 km/h effortlessly. Paradise exists, it is in Chartreuse.
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vestige of Château Descours, a 19th century residence. according to sources, served as headquarters for the maquisards and was destroyed during the Second World War by the Germans. We can see traces of impacts on site.
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The highest point of the road
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From Saint-Nicolas de Macherin, fresh and easy climb, then a very nice descent to Miribel-les-Echelles.
6
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Great trail with fantastic views
0
0
Hiking around Merlas offers a diverse landscape characterized by rolling hills and woodlands. You'll find trails exploring local lakes, such as Lake Paladru, and ascending to cols like Col des Mille Martyrs, providing panoramic views of the surrounding area. The terrain generally features moderate elevation changes, making it accessible for various skill levels.
Merlas offers a network of over 10 hiking routes. These trails vary in difficulty, with options ranging from easy loops to more moderate ascents, ensuring there's something for every hiker.
Yes, Merlas has several easy hiking trails perfect for beginners. One popular option is the Lac de Saint-Sixte loop from Saint-Sixte, an easy 3.7-mile (5.9 km) trail that circles the scenic lake and takes about 1 hour 55 minutes to complete.
Absolutely. Many of the trails in Merlas are designed as circular routes, allowing you to start and end in the same location. Examples include the Lac de Saint-Sixte loop from Saint-Sixte and the Col des Mille Martyrs loop from Merlas.
While hiking in Merlas, you can explore various natural attractions. Highlights include the tranquil Lake Paladru and the picturesque Gorges du Crossey. You might also encounter the Grenant Stream and enjoy views from the Croix des Cochettes View of Lac de Paladru.
Yes, Merlas offers historical points of interest. You can discover the ruins of Château Descours, which are featured on routes like the Haunted castle – Ruins of Château Descours loop from Saint-Sixte. Additionally, the Old Saint-Martin Bridge is another notable landmark in the area.
The hiking routes in Merlas are highly rated by the komoot community, with an average score of 4.5 stars from over 700 reviews. Hikers often praise the varied terrain, the scenic beauty of the lakes, and the well-maintained paths that offer a pleasant outdoor experience.
Many of the trails in Merlas, especially the easier loops around lakes like Lac de Saint-Sixte, are suitable for families. The rolling hills and woodlands provide an enjoyable environment for children to explore, with moderate distances and elevation changes.
The best time to hike in Merlas is generally during spring, summer, and early autumn when the weather is mild and the natural scenery is at its most vibrant. These seasons offer comfortable temperatures for exploring the woodlands and lakes.
For more experienced hikers looking for a longer challenge, Merlas offers routes such as the Hiking loop from Merlas, which covers 5.7 miles (9.2 km) and typically takes about 2 hours 47 minutes. This trail leads through the local countryside with moderate ascents.
While specific regulations for each trail may vary, generally, dogs are welcome on many hiking trails in Merlas, especially in the open countryside and woodland areas. It's always recommended to keep your dog on a leash and clean up after them to ensure a pleasant experience for everyone.


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