4.3
(823)
4,341
hikers
15
hikes
Hiking trails around Lac Du Drennec offer a diverse landscape within Finistère, Brittany, characterized by tranquil lakeside paths, shaded pine forests, and expansive open moors. This artificial reservoir, set within the Armorique Regional Nature Park, provides a focal point for many routes. Hikers can traverse verdant hills and diverse woodlands, with some trails offering views of the Monts d'Arrée ridge line. The terrain includes easily accessible paths and more challenging routes, catering to various fitness levels.
Last updated: May 12, 2026
4.5
(11)
51
hikers
12.8km
03:37
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(5)
27
hikers
16.6km
04:32
240m
240m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
3.0
(4)
26
hikers
3.85km
00:59
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
3.5
(2)
16
hikers
4.99km
01:18
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
3.0
(1)
9
hikers
11.5km
03:11
200m
200m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Very beautiful lake with a beautiful beach and nautical base.
0
0
Plage de Sizum - here is the best beach on the lake.
0
0
Superb place for a lunch break or for a night stop! The lake offers water activities and more than pleasant views
0
0
This 110-hectare reservoir is fed by the Élorn and Mougaud rivers. It is important because 400,000 people depend on this lake for their water supply. These are the inhabitants of the city of Brest Métropole, Landerneau and Landivisiau.
5
0
Saint Cadou or Saint Cado is celebrated on September 22nd. This saint is celebrated throughout Brittany with numerous churches, chapels, and places dedicated to him. Notably on Cado Island in Morbihan, where the founder of Llan-Carvan Abbey in Wales is said to have ended his life as a hermit on a tiny island around 577 AD. In any case, this village and this church bear his name.
3
1
The trails around Lac Du Drennec offer a diverse landscape, from tranquil lakeside paths to shaded pine forests and expansive open moors. You'll traverse verdant hills and varied woodlands, with some routes providing picturesque views of the Monts d'Arrée ridge line in the distance.
Yes, Lac Du Drennec is very welcoming for all abilities. Komoot lists 8 easy hiking tours, and the broader network includes over 50 easy options. These paths are generally accessible and perfect for a relaxed stroll, such as the Sizun Beach loop from Saint-Cadou, which is just 3.9 km.
Absolutely. Many of the routes around Lac Du Drennec are circular, allowing you to start and end at the same point. For example, the popular Sizun Beach – Drennec Dam loop from Saint-Cadou is a 6.5 km circular trail offering continuous lake views.
For those seeking a longer adventure, the area offers more demanding routes. The Drennec Dam – Sizun Beach loop from Lac du Drennec is a difficult 19.5 km path, while the Drennec Dam – Sizun Beach loop from Plage de Commana is a moderate 17.1 km route that explores the lake's perimeter through varied woodlands.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 700 reviews. Hikers often praise the tranquil lakeside paths, the varied scenery, and the well-maintained trails that provide a peaceful natural experience.
Yes, many trails are family-friendly, especially the easier, shorter loops around the lake. The generally gentle terrain and the presence of picnic tables and benches make it a pleasant destination for families to enjoy nature together.
Generally, dogs are welcome on trails in natural areas like Lac Du Drennec, but it's always recommended to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Specific rules might apply in certain protected zones within the Armorique Regional Nature Park.
Beyond the beautiful lake itself, which is a focal point, you can enjoy shaded pine forests, open moors, and diverse woodlands. The Drennec Dam is a notable structure, and some trails offer distant views of the Monts d'Arrée. Keep an eye out for local wildlife, including otters.
Yes, there are convenient parking areas, particularly near popular starting points like Plage de Commana and Saint-Cadou, which serve as access points for many of the lakeside trails.
While specific cafes directly on the trails are limited, the region offers amenities in nearby villages. Importantly, picnic tables and benches are conveniently located along many of the trails, providing ideal spots for breaks and enjoying the scenic surroundings.
Lac Du Drennec offers enjoyable hiking throughout much of the year. Spring and autumn provide pleasant temperatures and beautiful foliage, while summer is ideal for combining hiking with water sports on the lake. Even in winter, the tranquil paths can offer a peaceful experience, though some facilities might be reduced.
Komoot currently lists 18 curated hiking tours around Lac Du Drennec, ranging in difficulty from easy to difficult, ensuring there's an option for every type of hiker.


Browse the best Hikes in other regions.