Best lakes around San Millán De Lara are found within the broader Sierra de la Demanda region, which offers significant aquatic attractions. The area is situated in the province of Burgos, known for its natural landscapes and historical sites. Key features include the Arlanzón Reservoir and the Lagunas Glaciares de Neila. This region provides opportunities for outdoor recreation and appreciation of natural beauty.
Last updated: October 7, 2026
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Spectacular area for hiking routes
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The GR 82 is the path that traces the Arlanzón Reservoir and that surrounds the whole of the riverbank offering views of the marsh at all times. The landscape, always close to the shore.
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Nice stretch of greenway where you pedal alongside the swamp. You cross an iron footbridge and a beautiful riverside forest.
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It is one of the two reservoirs that supply water to the entire region of Burgos. If you are pedaling along the greenway, it is a perfect area to rest enjoying the views of the sheet of water and the spaciousness.
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The road that borders the Arlanzón reservoir has an incredible perspective of the mountains as a backdrop. The clouds are reflected in the water and the views in general give meaning to cycling in these remote places.
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I know him and he's great. We encourage you to visit our website rutas.elvalledigital.es
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It is a route along a marked path (for hiking or biking) that was the layout of an old mining train. Most of the road is covered by woods and trees, passes by the side of the beautiful Arlanzón reservoir and reaches the pretty town of Pineda de la Sierra. The Greenway continues to Monterrubio, but this section marked as a favorite is the one from Arlanzón to Pineda.
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The Arlazón Reservoir is the perfect place to take a refreshing break on the Green Way of the Sierra de la Demanda.
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The primary lake areas are the Arlanzón Reservoir and the Lagunas Glaciares de Neila. The Arlanzón Reservoir is a man-made lake ideal for water sports and scenic walks, while the Lagunas Glaciares de Neila are a series of stunning glacial lakes nestled in the mountains, perfect for hiking.
The Arlanzón Reservoir is excellent for recreational activities like kayaking, paddleboarding, and fishing. You can also enjoy hiking and cycling along the Sierra de la Demanda Greenway, which offers picturesque views of the water and surrounding mountains. A particularly scenic stretch is the Vía Verde de la Demanda Section by the Reservoir.
The Lagunas Glaciares de Neila are a series of glacial lakes, including Laguna Larga and Laguna Negra, set amidst peaks over 2,000 meters high. They offer a dramatic mountainous landscape and unique features like Laguna Larga's floating peat bog. The area is a Natural Park, known for its exceptional biodiversity and stunning hiking trails.
Yes, both areas offer excellent hiking. The Arlanzón Reservoir is bordered by the Greenway of the Sierra de la Demanda, suitable for walking and cycling. The Lagunas Glaciares de Neila Natural Park is a hiking paradise with numerous trails, including circular routes that provide breathtaking panoramic views of the glacial cirque. For more hiking options in the broader region, explore hiking routes around San Millán De Lara.
The Lagunas Glaciares de Neila are beautiful year-round; winter offers frozen landscapes, while autumn brings vibrant colors to the forests. The Arlanzón Reservoir is pleasant during warmer months for water activities and spring/autumn for hiking and cycling when temperatures are milder.
Yes, both the Arlanzón Reservoir and the Lagunas Glaciares de Neila offer family-friendly options. The greenway around the Arlanzón Reservoir is suitable for leisurely walks and bike rides, and many viewpoints like Beautiful views over the Arlanzón reservoir are easily accessible. The Neila lakes have trails of varying difficulty, with some easier paths suitable for families.
Near the Arlanzón Reservoir, you might spot trout, barbel, otters, and various birds like ducks, geese, and herons. The Lagunas Glaciares de Neila Natural Park is home to diverse fauna, including wolves, deer, roe deer, squirrels, badgers, and a variety of bird species.
Yes, the Arlanzón Reservoir is located near the important archaeological site of Atapuerca, a UNESCO World Heritage site renowned for its discoveries related to human evolution. This offers a chance to combine natural exploration with cultural enrichment.
Absolutely. The Arlanzón Reservoir is bordered by the Greenway of the Sierra de la Demanda, which is a popular route for cycling. You can enjoy sections like the Sierra de la Demanda Greenway: Arlanzón to Pineda, which follows an old mining train layout. For more cycling adventures, check out MTB trails around San Millán De Lara.
Visitors appreciate the serene beauty and the opportunity for a refreshing break. Many enjoy the picturesque views from spots like Beautiful views over the Arlanzón reservoir, where the mountains are reflected in the water. The greenway sections, such as the Vía Verde de la Demanda Section by the Reservoir, are also highly rated for their scenic cycling and walking experiences.
Yes, vehicle access to the foot of the lagoons in the Lagunas Glaciares de Neila Natural Park is restricted, and there might be a fee for the final section of the road. Visitors can access the lakes from the towns of Neila or Quintanar de la Sierra, and the Park House in Neila provides information.
Yes, a popular spot is the Beautiful views over the Arlanzón reservoir, which offers a resting area with expansive views of the water and the surrounding mountainous landscape. The road bordering the reservoir also provides incredible perspectives, with clouds often reflecting in the water.


Still not found your perfect lake around San Millán De Lara? Check out the guides of these regions to see even more beautiful places.