Which Mullerthal hike suits you, and how do you pick a shorter route?

A short rocky loop near Berdorf or the full Route 2 of the Mullerthal Trail? Choose by terrain, time and experience instead of kilometres, with the official figures, what they mean, the rules in hunting season and how to get there without a car.

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Coming to the Mullerthal for the first time? Start with a short local loop like the B2 near Berdorf. The full Route 2 is a long, tough day for people used to lots of climbing and many hours on their feet. The difference is not just the kilometres. It is the rocks, the narrow passages and the time you need to get down safely. If you are used to the flat paths of the Kempen or the Sonian Forest, you will underestimate this terrain fast. A good choice up front turns your day into an adventure instead of a race against the clock.

How big is the difference between Route 2 and B2?

Route 2 and B2 according to the official route pages
FeatureRoute 2 (Mullerthal Trail)B2 (local hike near Berdorf)
Length39.65 km4.33 km
Elevation947 m ascent92 m ascent and 92 m descent
DifficultyDifficultMedium
Estimated duration12:50 hours for the full routeCheck the current route page
What you meet along the wayNarrow, dark passage near Kuelscheier: torch recommended, there is a detour; wet rocks are slipperyNarrow rock passages; optional ladder at Raiberhiel, only for those without a fear of heights
[1] [2]

Elevation gain is all the little climbs of a route added together, like all the stairs you climb in a day. Route 2 asks for more than ten times as much climbing as B2, and you feel that mostly going downhill. Descending wet rock on tired legs is the moment when a slip costs the most. On B2 you keep time and energy to shuffle calmly through the rock crevices and look around. You only pick Route 2 once you know you can handle a day that long, even when things go against you. [1] [2]

Mullerthal Trail — Route 2

Compact route preview of Mullerthal Trail Route 2 from the official GPX file, with elevation profile.

Compact route preview from the official GPX file, retrieved on 2026-09-30 and simplified for display. The elevations come from that file; the ascent has not been recalculated here. This overview does not confirm current access and does not replace navigation.

Image credit: RouteRadar · Mullerthal Trail

[1] [1] [2]

How do you pick a shorter route?

You pick a shorter route by first deciding what you want out of the day. Do you want to take in one rocky spot calmly, or mostly keep moving? That choice stops you adding new detours along the way while your finish time stays the same. Shorter does not mean every passage is easy, though. Before you leave, check the current description and the route on the map, and decide at home which detours you will skip.

Which plan suits your day?
Your goalChooseDecide in advance
A first taste of rocky terrain, possibly with childrenA short loop like B2, with time to look aroundWhich passages do you skip, and where do you turn back?
A long, varied hiking dayThe full Route 2, only if the duration and effort suit youAfter a delay, do you still have enough time and energy?
A trail training sessionA distance that leaves room for walking sections and controlled descentsLet go of your kilometre pace as soon as the ground asks for it
Part of a longer routeA section chosen in advance with a planned way backA cut-off section does not reconnect to your starting point by itself

You plan your time in three parts: moving time, looking time and margin. There is no fixed rule that converts a flat kilometre into a rocky kilometre. Say you normally walk briskly through the Sonian Forest and want to repeat that pace here. Between the rocks you are slower, you stop more often and you look for where to put your feet. Use a first short outing to learn your own pace on this terrain, and note afterwards where you needed more time. The margin absorbs the rest: a detour, a missed turn or someone in the group who walks slower.

Can you do B2 with children or less mobile hikers?

B2 is described as an adventurous hike for the whole family, and that adventure is in the rocks. The ladder at Raiberhiel is optional and only suitable for those without a fear of heights; you can carry on without the ladder. The route also goes through narrow rock passages. "For the whole family" therefore does not mean a pushchair or wheelchair can get through, or that every hiker can handle every passage. Look at the description and the map together and decide in advance who does which section and how you will get back. [2]

What rules and closures apply in the hunting season?

From mid-October to February, organised hunts can take place, and hiking paths or wooded areas can then be temporarily affected or closed. Before you leave, check the official Geoportail map and follow temporary signs and instructions on site. A line on the map is not permission to use a path, and no notice does not mean everything is open. If you face a closure, take a signposted alternative or shift your outing. [3]

How do you get there with and without a car?

B2 is easy to reach without a car: the bus stop Berduerf, Duerfplaz is 800 m from the route. By car, you park at Camping Martbusch, 50 m away. If you come by bus, plan the outward and return journeys separately and check the current timetable on the day itself. For fares and exceptions, see the fares page of Mobiliteit.lu. Let your last bus back set your finish time, not the other way round. [2] [4]

What do rain, autumn and poor reception mean for your plan?

After rain you go slower or shorter, because wet rocks are slippery. On B2, sturdy footwear is recommended, especially in wet weather: shoes with a tread that grips and in which your foot stays stable. In autumn the days are shorter, so count daylight into your finish time. For the dark passage near Kuelscheier, a torch is recommended. If you want to skip it, take the detour. On a tight budget you do not need to buy anything extra: shoes you already own that grip well matter more than new gear. [1] [2]

Before you set off

  • Open the current official route page and check for changes
  • Between mid-October and February, check the Geoportail map for hunting closures
  • Choose deliberately between the full route and a shorter loop, and note your starting point and way back
  • Save the route offline on your phone, charge your phone fully and tell someone which route you are walking and when you will be back
  • Bring a light if you want to do the dark passage near Kuelscheier, or plan the detour
  • Bring enough food and drink for your own duration; do not count on a stop planned along the way
  • Agree who sets the pace and at what time you turn back no matter what
  • Load your own GPX into RouteRadar and use Pre-Flight as an extra check, alongside the official map and the signs on site
[1] [3]

Here is how to start: pick a dry day this week, take the bus or car to Berdorf and walk B2 without hurrying. See how long you really need between the rocks and how your legs feel going downhill. That one answer tells you more about Route 2 than any table. If it leaves you wanting more, next time you plan a longer stretch, with a fixed time for the return journey.

Sources and evidence

  1. Mullerthal — Route 2: route data and safety · Source checked on:
  2. Mullerthal — local hiking trail B2 near Berdorf · Source checked on:
  3. Mullerthal — hunting season and temporary closures · Source checked on:
  4. Mobiliteit.lu — fares and free-travel exceptions · Source checked on:

AI assisted with this article. A human editor checked the facts, sources, language and safety guidance before publication.

Field notes · Route library