Publish Hiking Log #1 – Circuit Korspronk

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+title: Hiking Log #1 – Circuit Korspronk
+---
+publication_date: 2026-07-22
+---
+category: hiking
+---
+render_toc: yes
+---
+tags:
+
+hiking-log
+luxembourg
+differdange
+korspronk
+gpx
+digital-independence
+local-history
+---
+description: A first local hiking log on Circuit Korspronk near Differdange, combining GPX-based route planning, local history and reflections from the trail.
+---
+body:
+
+#### markdown ####
+text:
+
+I recently started hiking some local trails. It all started with the recent
+[heatwave](https://en.wikipedia.org/wiki/2026_European_heatwaves#Luxembourg).
+To cool down a bit, I started going outside in the evening. I had my old [GPS
+handheld](https://www.garmin.com/en-US/p/156873/) lying around, so I thought
+I'd use it again to track my walks. As luck would have it, the rubber on the
+power button deteriorated after a few days of use, making the device impossible
+to power on or off and thus unusable. I tried to find a replacement, but none
+were available. This prompted me to buy a new device: the [Garmin eTrex
+Touch](https://www.garmin.com/fr-FR/p/1326077/).
+
+After exploring my new town by going on some impromptu walks and getting to
+know my new device a little better, I thought: what better way to spend the day
+than doing some short local hikes? As I knew nothing about them, I asked
+myself where I could find some information.
+
+# Finding a trail without app lock-in
+
+As I would like to be [more digitally
+independent](/blog/2026/06/back-to-blogging/), one of my requirements is the
+ability to download a [GPX](https://en.wikipedia.org/wiki/GPS_Exchange_Format)
+or similar track. Secondly, I don't want to be bound to an app or service
+provider. I therefore wanted to avoid making a particular app or online service
+an essential part of finding and following a trail. Apps such as
+[Komoot](https://www.komoot.com/) or [Wikiloc](https://www.wikiloc.com/) are
+out of the question.
+
+For geographical data in Luxembourg, my go-to place is [the national geoportal
+of the Grand-Duchy of Luxembourg](https://www.geoportail.lu/en/), also known as
+*"Geoportail"*. Yes, it has details on all [hiking
+trails](https://map.geoportail.lu/theme/tourisme?version=3&lang=fr&X=667917&Y=6394482&zoom=9&rotation=0&features&map_id=9b7d8e482adb422ba491ecde4f845e2f&layers=2811-667&opacities=1-1&time=--&bgLayer=topomap).
+The only disadvantage is that I cannot filter them by length or difficulty.
+
+This prompted me to do some more research, which led me to [Wanderweeër
+Lëtzebuerg (WWL)](https://wwl.lu/index.php/en/wwl-homepage), an independent
+project run by a Luxembourgish hiking enthusiast.
+[Here](https://wwl.lu/index.php/en/dynamic-search), we can filter trails by
+keyword, category, distance and difficulty. I looked around to find an easy,
+short local hike and found the *"Circuit Korspronk"*.
+#### trail ####
+trail_gpx: circuit-korspronk-trail.gpx
+----
+activity_gpx: circuit-korspronk-activity.gpx
+#### markdown ####
+text:
+
+# Why I chose *"Circuit Korspronk"*
+
+The [Visit Luxembourg
+website](https://www.visitluxembourg.com/tour/local-hiking-trail-df-1-circuit-korspronk-differdange)
+presents *"Circuit Korspronk"* as a journey to the modest beginning of a much
+longer river. Starting near the centre of Differdange, the circular trail
+climbs through fields and shaded woodlands to the source of the Kor, the local
+name for the Chiers, which flows on through Belgium and France. The combination
+of nature, local history, and its manageable length made it seem like an ideal
+choice for my first local hike.
+
+Bearing this in mind, I loaded the trail and parking POI onto my GPS handheld,
+packed some water and fruit, and set off on a sunny Friday afternoon to
+complete my first local hike.
+
+# Elevation is not everything
+
+:::figure w33 left
+![A wooden signpost stands in a leafy forest, pointing to the right towards "Korspronk", with "Déifferdenger Geschichtsfrënn 2008" written below.](wooden-post-korspronk.jpg)
+
+The wooden sign pointing towards the source of the *"Kor"* bears the name
+"Déifferdenger Geschichtsfrënn" (literally the "Friends of Differdange History")
+and the year 2008.
+:::
+
+The trail begins near the [Aalt Stadhaus](https://www.stadhaus.lu/), the former
+city hall which is now a cultural centre. It also houses the local library and
+music school and functions as a local theatre. Very close by is the
+current city hall, which is being demolished [due to construction defects and
+structural
+problems](https://infos.rtl.lu/news/luxembourg/la-mairie-de-differdange-devait-etre-renovee-elle-va-etre-rasee-1177784037)
+and will need to be rebuilt.
+
+From there, the trail goes up *"Rue Metzkimmert"*, which was quite an ordeal
+for an untrained hiker like me — I could really feel it in my heart rate! This
+showed me that elevation is not everything; the slope clearly plays a role
+too. After this steep ascent, the trail enters the shady woods, where the
+air felt noticeably cooler than the air in town. The change was immediately
+refreshing.
+
+I followed the trail to an open area with a picnic table, then passed the
+shooting range in Oberkorn before returning to the woods. Continuing, I
+arrived at a set of wooden stairs and the main attraction and namesake of this
+trail: the source of the river [Chiers](https://en.wikipedia.org/wiki/Chiers),
+or in Luxembourgish *"Kor"*.
+
+<div class="clear"></div>
+
+# What the information panels taught me
+
+:::figure w25 right
+![A weathered metal information panel at Korspronk with a painted map showing the rivers Chiers, Meuse, Othain and Crusnes above Luxembourgish text.](metal-plate-haaptquell-vun-der-kor.jpg)
+
+The information panel next to the spring.
+:::
+
+A nearby metal panel provides information about the *"Kor"*. According to the
+information panel, the source lies 352 metres above sea level and the river
+is 122 kilometres long. From Differdange, the *"Kor"* flows through the
+*"Kordall"* valley before continuing through Belgium and France and eventually
+joining the [Meuse](https://en.wikipedia.org/wiki/Meuse) in
+[Sedan](https://en.wikipedia.org/wiki/Sedan,_Ardennes), a commune in France.
+
+I actually learnt something new here! There are four towns that contain the
+river's Luxembourgish name:
+[*"Uewerkuer"*](https://en.wikipedia.org/wiki/Oberkorn),
+[*"Niederkuer"*](https://en.wikipedia.org/wiki/Niederkorn),
+[*"Nidderkäerjeng"*](https://en.wikipedia.org/wiki/Bascharage), and
+[*"Uewerkäerjeng"*](https://en.wikipedia.org/wiki/Hautcharage). More
+information about the names can be found on a later information board. The
+board proposes that the name *"Kor"* derives from *"Kar"*, a pre-Celtic word
+associated with water, streams or marshland. It also connects the later French
+name *"Chiers"* with *"cher"* and the Latin word
+[*"carus"*](https://en.wiktionary.org/wiki/carus). I have not been able to
+verify this proposed etymology independently, but it is an intriguing example
+of how local place names can preserve older layers of language.
+
+Interestingly, the spring is located halfway along the trail. It is surrounded
+by concrete, so I could only see where the water flows out. There is also a
+bench here. It's a nice place to relax. Unfortunately, I forgot to take a good
+photo.
+
+Continuing along the trail, I left the woods behind me and walked alongside
+some fields, crossing a bridge over the train tracks. I then entered the town of
+*"Uewerkuer"*, passing under the train station and some allotment gardens,
+before reaching the cemetery of Differdange and arriving back at the start of
+the trail.
+
+# A question about hiking gear
+
+At the moment, I carry a water bottle in my backpack. Taking the backpack off
+every time I want a drink is inconvenient, especially when my back is already
+warm and sweaty. I am therefore considering either a hydration reservoir, such
+as the [CamelBak
+Crux](https://www.asadventure.com/en/p/camelbak-hydration-reservoir-crux-1-5l-reservoir-2323C70002.html?colour=2374),
+or an [adapter](https://www.hydrolid.com/) that adds a drinking tube to an
+ordinary bottle.
+
+This is where you come in! I'd love to hear your opinions, suggestions or ideas
+on this. You can simply write to me on
+[Mastodon](https://social.dennisfink.me/@me) or email me—you will find my
+email address in the footer of this blog.
+
+# The beginning of a new habit
+
+In my opinion, this trail has its ups and downs. The beginning can be quite
+exhausting if one is not fit, but as soon as I entered the woods, I felt as though I had
+left urban life far behind me. The source of the river is
+a very pleasant place and definitely the highlight of the trail. The final section was less memorable; in particular, the walk through the town
+of *"Uewerkuer"* and past the cemetery of Differdange was not very interesting.
+
+This trail really ignited my
+[wanderlust](https://en.wikipedia.org/wiki/Wanderlust). Since then, I have done
+several others, which I will document in the future. I already feel that hiking
+helps me to switch off for a few moments by simply taking in the fresh air and
+paying attention to the beautiful, intricate, and sometimes mysterious natural world
+around me.
+