Santillana Reservoir - Cuenca Alta del Manzanares Loop

This route is classified as moderate, requiring good fitness due to a significant elevation gain of approximately 680 meters over its 66.3 km length. It's best suited for experienced road cyclists.

The route is predominantly on well-paved surfaces, making it ideal for road bikes. You'll cycle through diverse landscapes including hills, gorges, steppes, pine forests, and bushes within the Sierra de Guadarrama region.

You'll encounter several interesting points, including the Collado Villalba Town Center, the historic Hoyo de Manzanares castle, and the Grajal Bridge. Keep an eye out for a View of the Lake and the Santillana Reservoir, though water levels can vary.

As a circular route connecting Manzanares el Real, La Berzosa, and Colmenar Viejo, you can start and park in any of these towns. Manzanares el Real is a common starting point, offering various parking options. For public transport, check local bus services connecting to these towns.

The best time to cycle is generally during spring and autumn when temperatures are milder. Summer can be very hot, and winter may bring colder conditions, though the paved surfaces make it accessible year-round for prepared cyclists. Always check the local weather forecast before you go.

This is a road cycling route, so while dogs are generally not suitable companions for the full 66km ride, they are typically allowed in the towns and along public roads. If you plan to stop in natural areas, always keep your dog on a leash and follow local regulations for the Parque Regional de la Cuenca Alta del Manzanares.

No, you do not need special permits or to pay entrance fees to cycle this route. It primarily follows public roads and passes through the Parque Regional de la Cuenca Alta del Manzanares, which does not require entry fees for general access. However, always respect local regulations and private property.

Yes, this route shares sections with several other paths. Notably, it covers about 30% of the Ruta ADESGAM and also intersects with parts of the Ruta Verde 6.6 Carril Bici de Colmenar, Camino Mendocino, and the GR 124 MTB (Senda Real), among others.

Given the moderate difficulty and length, you should bring plenty of water, energy snacks, a repair kit for your racebike, appropriate cycling attire, sun protection, and a fully charged phone. A helmet is essential for safety.

Yes, as the route connects the towns of Manzanares el Real, La Berzosa, and Colmenar Viejo, you'll find various cafes, restaurants, and shops in these settlements where you can stop for refreshments, food, or to refill your water bottles.

Due to its moderate difficulty, significant length (66.3 km), and elevation gain (680 m), this route is generally not recommended for families with young children or beginner cyclists. It's best suited for experienced road cyclists with good fitness.