Grabenäcker Teiche, Reisigweiher, Dorfweiher and Kosbacher Altar Loop

Starting near Erlangen, Germany, the Grabenäcker Teiche, Reisigweiher, Dorfweiher, and Kosbacher Altar Loop is a picturesque 12 km (7.5 miles) loop trail with an elevation gain of approximately 100 meters (328 feet). This trail offers a delightful mix of natural beauty and historical intrigue, making it a rewarding hike for those seeking a medium-difficulty adventure.

### Getting There To reach the trailhead, you can either drive or use public transport. If driving, set your GPS to the nearest known address: Kosbacher Weg, 91056 Erlangen, Germany. There is parking available near the trailhead. For those using public transport, take a train to Erlangen Hauptbahnhof (Erlangen Central Station). From there, you can catch a local bus to the Kosbacher Weg stop, which is a short walk from the trailhead.

### Trail Highlights #### Grabenäcker Teiche Starting your hike, you'll first encounter the Grabenäcker Teiche, a series of serene ponds surrounded by lush greenery. This area is a haven for birdwatchers, with various species of waterfowl often seen gliding across the water. The trail around the ponds is relatively flat, making it an easy start to your journey.

#### Reisigweiher Continuing on, you'll reach the Reisigweiher, another beautiful pond area. This section of the trail is slightly more elevated, offering gentle inclines that provide a bit of a workout without being too strenuous. The Reisigweiher is known for its clear waters and the occasional sighting of deer and other wildlife.

#### Dorfweiher Next, you'll come to the Dorfweiher, a charming village pond that offers a glimpse into the local rural life. This area is particularly scenic, with traditional German houses dotting the landscape. The trail here is well-marked and easy to follow, making it a great spot for a rest or a picnic.

#### Kosbacher Altar The highlight of the trail is undoubtedly the Kosbacher Altar, an ancient Celtic sacrificial site dating back to the Iron Age. This historical landmark is located at the highest point of the trail, offering panoramic views of the surrounding countryside. The Kosbacher Altar is a fascinating site, with stone formations that have stood the test of time, providing a tangible connection to the region's ancient past.

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

### Flora and Fauna The trail is rich in biodiversity, with a variety of plant species ranging from dense forests to open meadows. In spring and summer, wildflowers bloom in abundance, adding vibrant colors to the landscape. Wildlife is also plentiful, with opportunities to see deer, foxes, and a variety of bird species.

### Trail Conditions The trail conditions can vary depending on the season. In spring and summer, the paths are generally dry and easy to navigate. However, in autumn and winter, sections of the trail can become muddy and slippery, so appropriate footwear is recommended. Always check the weather forecast before heading out and dress in layers to accommodate changing conditions.

### Final Stretch As you loop back towards the starting point, the trail takes you through a mix of forested areas and open fields, offering a peaceful end to your hike. The final stretch is relatively flat, allowing you to cool down and reflect on the diverse landscapes and historical sites you've encountered along the way.

This trail offers a perfect blend of natural beauty and historical significance, making it a must-visit for hikers in the Erlangen area.