Doller Valley and Lac d'Alfeld Loop

No, this loop is rated as difficult and is best suited for experienced touring cyclists with good to very good fitness. The terrain in the Parc Naturel Régional des Ballons des Vosges features significant elevation changes, with gradients often ranging from 5-10%, and some sections may involve unpaved or gravel surfaces. Heavily laden bikes might find it particularly strenuous, and you might need to push your bike on some segments.

The terrain is challenging, characterized by mountainous ascents and descents typical of the High Vosges. While the Vosges generally have good road surfaces, this specific route may include unpaved, natural, or gravel sections, especially closer to the lake. Expect substantial climbs and rewarding panoramic views.

Along the route, you'll encounter several notable spots. You'll pass by the Doller Trail — From Masevaux to Sewen, the historic Church of Our Lady of the Assumption, and of course, the beautiful Alfeld Lake itself, nestled amidst deep forests with its ancient masonry dam and a waterfall.

While specific parking for this exact loop isn't detailed, general access points for the Parc Naturel Régional des Ballons des Vosges often include parking areas in nearby towns like Masevaux or Sewen. It's advisable to check local parking options in these villages, as they are common starting points for routes in the area.

The most pleasant time to cycle this route is typically from late spring through early autumn (May to October). During these months, the weather is generally more stable, and the mountain passes are clear of snow. Cycling in the High Vosges offers stunning scenery, especially when the forests are lush or displaying autumn colors.

While the Parc Naturel Régional des Ballons des Vosges generally welcomes dogs, specific rules for cycling with dogs on this particular route are not explicitly stated. Given the challenging nature of the terrain and potential mixed surfaces, ensure your dog is accustomed to such conditions if they are accompanying you. Always keep dogs on a leash and clean up after them.

No, there are typically no specific permits or entrance fees required for cycling on public trails within the Parc Naturel Régional des Ballons des Vosges. However, always respect local regulations, private property, and protected areas. The park aims to preserve its natural environment, so responsible cycling is encouraged.

Yes, this route incorporates sections of several other paths. You'll find yourself on parts of the Véloroute de la vallée de la Doller, as well as segments of the GR 531 and the Circuit du Senkel. Other smaller sections include the Circuit de la Vierge d'Alsace and the Tour de Wegscheid.

While Lac d'Alfeld itself is a natural, forested area, you may find cafes, restaurants, or accommodation in the nearby villages such as Sewen or Masevaux. It's recommended to plan your stops in advance, especially during off-peak seasons, as options directly on the loop might be limited.

Given the 'difficult' rating and mountainous terrain, pack essentials for a challenging ride. This includes sufficient water and snacks, repair kit, spare inner tubes, appropriate cycling attire for varying weather conditions (layers are key), a helmet, and a fully charged phone with offline maps. An e-bike could also be a good option for assistance on the climbs.

The estimated duration for this 27.2 km loop is approximately 2 hours and 30 minutes of active cycling time. However, this can vary significantly based on your fitness level, the amount of gear you're carrying, and how often you stop to enjoy the challenging climbs and scenic views.