4.6
(308)
1,677
hikers
155
hikes
Hiking trails around Cléty are situated within the Regional Natural Park of Caps and Opal Marshes, offering diverse landscapes for outdoor enthusiasts. The region is characterized by alternating hedgerow areas, green glades, and valleys bordered by limestone hills. A notable feature is the Regional Natural Reserve of the Old Quarries of Cléty, a former chalk quarry with significant geological value and biodiversity. These varied terrains provide a rich environment for hiking.
Last updated: May 14, 2026
4.7
(6)
32
hikers
14.7km
04:08
310m
310m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
21
hikers
20.8km
05:43
350m
350m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Sign up for free
5.0
(3)
16
hikers
9.68km
02:36
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
7.86km
02:08
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
8
hikers
10.8km
02:55
140m
140m
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
The small village of Delettes includes the hamlets of Upen d'Amont, Upen d'Aval, and Westrehem. Crossed by the Lys River, it boasts a pretty sluice mill built on the banks of the river.
0
0
The old powder mill was founded in 1686 during the reign of Louis XIV. At the time, it was one of the best powder mills in the kingdom (yes, that’s right!).
0
0
The old railway line linking Calais to Anvin has been partly transformed into a greenway. From Lumbres to Remilly-Wirquin, you can enjoy more than 5km of walking in the heart of nature! Here, you only come across hikers, horse riders or cyclists, enough to enjoy in complete tranquility along the Aa.
1
0
The old railway line linking Calais to Anvin has been partly transformed into a greenway. From Lumbres to Remilly-Wirquin, you can enjoy more than 5km of walking in the heart of nature! Here, you only come across hikers, horse riders or cyclists, enough to enjoy in complete tranquility along the Aa.
0
0
There are over 150 marked hiking trails in the vicinity of Cléty. These routes cater to a range of experience levels, from leisurely walks to more challenging treks, offering a total of over 300 kilometers of paths to explore within the Regional Natural Park of Caps and Opal Marshes.
The hiking trails around Cléty offer a good mix of difficulties. You'll find approximately 68 easy routes, 80 moderate routes, and 11 more challenging trails. This variety ensures there's something for every hiker, from beginners to experienced trekkers.
Yes, Cléty offers several family-friendly hiking options, particularly among the 68 easy routes available. These trails are generally shorter and have less elevation gain, making them suitable for families with children. Look for routes with gentle terrain through green glades and hedgerows for an enjoyable family outing.
Many of the hiking trails around Cléty are dog-friendly, especially those within the Regional Natural Park of Caps and Opal Marshes. However, it's always recommended to keep your dog on a leash, especially in areas with wildlife or near agricultural land, and to check specific trail regulations if available. Be mindful of local signage.
Hiking in Cléty offers a diverse range of landscapes characteristic of the Regional Natural Park of Caps and Opal Marshes. You'll encounter alternating hedgerow areas, green glades, forests, and valleys bordered by limestone hills. A notable feature is the Regional Natural Reserve of the Old Quarries of Cléty, known for its geological value and biodiversity.
Yes, Cléty and its surroundings offer several excellent circular hiking routes. For example, the Hiking loop from Cléty is a moderate 8.0 km path that provides views of the local countryside. Another popular option is the Delettes loop from Delettes, a 10.8 km trail through valleys bordered by limestone hills.
A significant natural attraction near Cléty is the Regional Natural Reserve of the Old Quarries of Cléty, often called 'la dame blanche'. This former chalk quarry is important for its geology and biodiversity, home to rare plants and various animal species. You might also encounter the diverse ecosystems of the wider Regional Natural Park of Caps and Opal Marshes, including limestone hills and forests.
The best time to go hiking in Cléty is generally during spring, summer, and early autumn. These seasons offer pleasant weather conditions for exploring the diverse landscapes. Spring brings blooming wildflowers, while summer and autumn provide comfortable temperatures and beautiful foliage. Winter hikes are possible but can be colder and may require appropriate gear.
Yes, the Regional Natural Park of Caps and Opal Marshes, which encompasses Cléty, promotes 'estaminet randonnée' (hiking inn) labels for country cafes situated along hiking routes. These establishments offer convenient services to hikers, providing opportunities for refreshments and meals. For accommodation, you can find various options in Cléty and nearby villages, ranging from guesthouses to small hotels.
While specific parking areas for every trail are not detailed, many trailheads in and around Cléty, especially those starting from villages or popular natural sites, typically offer designated parking spaces. It's advisable to check local maps or the starting points of specific routes for parking information. Always respect local parking regulations.
The hiking routes in Cléty are highly rated by the komoot community, with an average score of 4.6 stars from over 280 reviews. Hikers often praise the varied terrain, the blend of natural and geological interest, and the well-maintained paths that allow for exploration of the region's green glades, hedgerows, and limestone hills.
For those seeking longer or more challenging hikes, Cléty offers several options. The region has 11 routes classified as difficult. An example is the Start loop from Saint-Omer, a 20.8 km trail with significant elevation gain, offering a more strenuous experience for seasoned hikers.


Browse the best Hikes in other regions.