On the slag mountain
3.7kmLength
107mElevation gain
1–1.5hrEstimated time
Out-and-back
Popular walk in the Hohe Mark Nature Park, North Rhine-Westphalia.
The 159 metre high Haniel spoil tip near Bottrop is one of the highest spoil tips in the Ruhr region. From the summit, you can enjoy great views over the Ruhr region and the amphitheatre.
Highlights of the route:
- Mountain arena
- Haniel spoil tip
- Views over the Ruhr region
This text has been translated.
Top sights
Halde Haniel
Peak
Top sights
Halde Haniel
Peak
Popular times
When is the trail busiest?
Beat the crowds with weekly and monthly trail activity data from our communityTop trails nearby
Frequently asked questions
What’s helpful to know about this trail?
Check out this 3.7-km out-and-back trail near Oberhausen, North Rhine-Westphalia. Generally considered a moderately challenging route, it takes an average of 1 h 1 min to complete. This is a very popular area for running and walking, so you'll likely encounter other people while exploring. The trail is open year-round and is beautiful to visit anytime. Dogs are welcome, but must be on a lead.
What is the expected weather this week for On the slag mountain?
Expected weather for On the slag mountain for the next 5 days is:
- Thu 24 September - 19.7 degrees/clear
- Fri 25 September - 20.8 degrees/clear
- Sat 26 September - 22.5 degrees/clear
- Sun 27 September - 24.7 degrees/clear
- Mon 28 September - 27.6 degrees/showers
Where is On the slag mountain located?
On the slag mountain is a trail located in Hohe Mark Nature Park - Westmünsterland.
How hard is On the slag mountain?
On the slag mountain is considered a moderate hike that covers 3.7 km, with an elevation gain of 107 m. It takes about 1–1.5 hr to complete. Moderate trails often feature gradual climbs or obstacles like rocks or roots.
What is the elevation gain for On the slag mountain?
On the slag mountain is considered a moderate hike that covers 3.7 km, with an elevation gain of 107 m. It takes about 1–1.5 hr to complete. Moderate trails often feature gradual climbs or obstacles like rocks or roots.
Is On the slag mountain an out-and-back trail?
On the slag mountain is an out-and-back trail that covers 3.7 km, with an elevation gain of 107 m. It takes about 1–1.5 hr to complete. Out-and-back trails have the same starting point and endpoint. You'll follow the route out to a specific point, and then retrace your steps to return to the start. The length of the trail refers to the entire route — travelling out and back on this route covers 3.7 km.
How long is On the slag mountain?
On the slag mountain is an out-and-back trail that covers 3.7 km, with an elevation gain of 107 m. It takes about 1–1.5 hr to complete. Out-and-back trails have the same starting point and endpoint. You'll follow the route out to a specific point, and then retrace your steps to return to the start. The length of the trail refers to the entire route — travelling out and back on this route covers 3.7 km.
Are dogs allowed on On the slag mountain?
Yes, dogs are allowed on On the slag mountain, but must remain on a lead.
When is the best time of year to hike On the slag mountain?
On the slag mountain is open all year round and is beautiful to visit anytime.
How busy is On the slag mountain?
According to trailgoers, On the slag mountain is usually busy. On the slag mountain is open all year round and is beautiful to visit anytime.
Are there forests at On the slag mountain?
Yes, On the slag mountain is a forest trail in Hohe Mark Nature Park - Westmünsterland.
Last updated on 20 September 2026 at 23:00 GMT+0