Dhuenn via Altenberg Rundweg and Denkmalroute

Starting near the picturesque Rheinisch-Bergischer Kreis in Germany, this 11 km (approximately 6.8 miles) loop trail offers a delightful mix of natural beauty and historical intrigue. With an elevation gain of around 200 meters (656 feet), the trail is rated as medium difficulty, making it accessible for most hikers with a moderate level of fitness.

### Getting There To reach the trailhead, you can either drive or use public transport. If driving, set your GPS to Altenberg, a well-known landmark in the region. There is ample parking available near the Altenberg Cathedral, a stunning Gothic structure that is worth a visit in its own right. For those using public transport, take a train to Bergisch Gladbach and then a bus to Altenberg. The bus stop is conveniently located near the trailhead.

### Trail Overview The trail begins near the Altenberg Cathedral, a historical gem dating back to the 13th century. As you start your hike, you'll be enveloped by the lush greenery of the Bergisches Land region. The first section of the trail is relatively flat, allowing you to ease into the hike while enjoying the serene surroundings.

### Key Landmarks and Sections #### Altenberg Cathedral At approximately 1 km (0.6 miles) into the hike, you'll pass by the Altenberg Cathedral. This Gothic masterpiece is not only an architectural marvel but also a site of historical significance. It was originally built as a monastery church for the Cistercian monks and has been a place of pilgrimage for centuries.

#### Dhuenn River Continuing along the trail, you'll soon encounter the Dhuenn River. The trail meanders alongside the river for about 2 km (1.2 miles), offering picturesque views and the soothing sounds of flowing water. This section is relatively easy, with minimal elevation gain, making it a perfect spot for a leisurely walk.

#### Denkmalroute Around the 5 km (3.1 miles) mark, you'll join the Denkmalroute, a path that takes you through several historical monuments and landmarks. One notable site is the Altenberg Castle ruins, which offer a glimpse into the region's medieval past. The trail here becomes a bit more challenging, with a gradual ascent that adds to the overall elevation gain.

### Flora and Fauna The trail is rich in biodiversity. Keep an eye out for native wildlife such as deer, foxes, and a variety of bird species. The flora is equally impressive, with dense forests of beech and oak trees, interspersed with patches of wildflowers that bloom in the spring and summer months.

### Final Stretch As you approach the final 2 km (1.2 miles) of the loop, the trail descends back towards Altenberg. This section offers panoramic views of the surrounding countryside, making it a perfect spot for some memorable photos. The descent is gentle, allowing you to cool down as you make your way back to the trailhead.

### Navigation For navigation, it's highly recommended to use the HiiKER app, which provides detailed maps and real-time updates to ensure you stay on track. The trail is well-marked, but having a reliable navigation tool can enhance your hiking experience.

This trail offers a perfect blend of natural beauty and historical significance, making it a must-visit for anyone looking to explore the rich heritage and stunning landscapes of the Rheinisch-Bergischer Kreis region.