4.5
(51)
248
riders
70
rides
Gravel biking around Grellingen offers diverse terrain characterized by hilly landscapes, river valleys, and extensive forests. The region features significant ascents and picturesque river landscapes, particularly along the Birs river. Riders can expect varied topography with dense woodlands and unpaved sections suitable for gravel bikes. The area provides a mix of challenges and scenic beauty across its network of trails.
Last updated: May 21, 2026
5.0
(1)
21
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
11
riders
40.9km
03:07
900m
900m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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6
riders
17.4km
01:30
450m
450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
9
riders
33.6km
02:06
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Great view - in good weather you can see individual Alpine peaks
0
0
I can only agree with Mattia: it's a short stretch of road through fields, but otherwise completely unspectacular, not even worth a tip...
0
0
Biederthal is often reached by car from Basel / the Birstal valley, but this point here is nothing special in itself.
0
0
climbed up all the way to Ramel ridge
0
0
Nice barbecue area
0
0
Allows a view over the trees towards Basel/Black Forest
6
1
Grellingen offers a wide range of gravel biking experiences. You'll find everything from moderate paths, with 36 routes categorized as such, to more challenging routes with significant elevation gain, accounting for 74 of the available tours. There are also 2 easier routes perfect for a relaxed ride.
Yes, Grellingen is suitable for beginners. The region features specific 'gravel road loops' that are ideal for those new to gravel biking. These routes provide a great introduction to the sport on varied surfaces without being overly demanding.
Gravel biking around Grellingen takes you through diverse landscapes, including hilly terrain, picturesque river valleys along the Birs, and extensive forests. You can expect significant ascents, dense woodlands, and unpaved sections that are perfect for gravel bikes. The wild and romantic Chaltbrunnental Valley, with its steep rock walls and clear springs, also offers unique riding experiences.
Absolutely. The region boasts several spots with sensational views. For instance, the Big Bench at Blatten Pass – View from Blauenpass loop from Aesch BL offers expansive views from the Blauenpass. You can also find stunning vistas from the Hohe Winde Summit, stretching across the Alps, Vosges, and Black Forest, though some ascents may be challenging.
Yes, Grellingen's routes often combine natural beauty with cultural highlights. The Kaltbrunnental Gorge, for example, is home to the Chessiloch 'Coat of Arms' Rock, a significant cultural monument with carvings from the First World War. You might also encounter the Gempenturm Observation Tower on some routes.
Yes, many of the gravel bike routes in Grellingen are designed as loops, allowing you to start and finish at the same point. For example, the Big Bench at Blatten Pass – View of the Jura Mountains loop from Breitenbach is a popular circular option that takes you through varied topography.
The komoot community highly rates gravel biking in Grellingen, with an average score of 4.6 stars from over 75 reviews. Riders often praise the varied terrain, the sense of being far from civilization in the deep valleys and extensive forests, and the combination of challenging ascents with picturesque river landscapes.
Yes, the Chaltbrunnental Valley is particularly unique. While primarily known for hiking, some gravel sections within the Kaltbrunnental Gorge feature unpaved paths amidst steep rock walls, clay caves, and clear springs, offering a mystical and prehistoric atmosphere. These cool, shaded paths are especially enjoyable in warmer months.
The extensive network of forest roads and tranquil rural paths in Grellingen often provides a sense of being far from civilization. While specific 'hidden' routes aren't explicitly listed, exploring the less-trafficked forest paths and deep valleys will likely lead to a more secluded riding experience, especially away from the most popular trails.
Grellingen offers enjoyable gravel biking throughout much of the year. The cool, shaded paths in areas like the Chaltbrunnental Valley can be particularly pleasant during warmer months. The varied terrain, including forest roads, makes it suitable for different seasons, though conditions can vary with weather.
Yes, you can incorporate historical sites into your ride. The Castle in the Leimental – Fields Near Aesch loop from Aesch BL is one such route that takes you past a castle. Additionally, the Eggflue Viewpoint – Pfeffingen Castle Ruins loop from Aesch BL allows you to explore the area around the Pfeffingen Castle Ruins.


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