4.7
(43)
3,617
runners
276
runs
Jogging routes around Lozoya Somosierra traverse a diverse landscape in the northern Community of Madrid, encompassing the Sierra de Somosierra and the northern Sierra de Guadarrama. The region features significant mountainous terrain, including the Peñalara massif, alongside verdant valleys such as the Lozoya Valley. Three rivers—the Lozoya, Jarama, and Guadalix—flow through the area, contributing to lush environments and offering paths along water features. Extensive forests of pine, oak, and birch provide shaded trails and varied ecosystems for runners.
Last updated: July 7, 2026
5.0
(4)
219
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5.0
(3)
125
runners
4.39km
00:47
350m
350m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Sign up for free
5.0
(1)
27
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
37
runners
15.9km
01:44
100m
100m
Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
4.0
(1)
10
runners
7.70km
00:56
150m
160m
Moderate run. Good fitness required. Mostly accessible paths. Some sure footedness required.
15
runners
6.31km
01:02
250m
250m
Hard run. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
11
runners
12.1km
01:32
310m
310m
Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required.
9
runners
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
7
runners
16.1km
02:55
820m
820m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
Get access to more routes and recommendations from other explorers.
Sign up for free
Already have an account?
Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
Start today with a free account
Your next adventure awaits.
Login or Signup
Popular around Lozoya Somosierra
Running Trails in Sierra De Guadarrama
Running Trails around Rascafría
Running Trails around National Park Cumbre, Circo y Lagunas Peñalara
Running Trails around Miraflores De La Sierra
Running Trails around Pinilla Del Valle
Running Trails in Pino Silvestre
Running Trails around Somosierra
Running Trails around Garganta De Los Montes
Running Trails around El Atazar
Running Trails around Embalse de Pinilla
Beautiful viewpoint of the Pinilla reservoir
0
0
The Paular path ends at this point, near the entrance to the natural park of the Peñalara Lagoons and glacial cirque.
0
0
The Hervidero Waterfall is a double waterfall on the Guadalix River, nestled in a rocky canyon and surrounded by riverside vegetation. It can be reached via a flat and easy 7 km (round trip) route starting from San Agustín del Guadalix, ideal for family hikes.
4
0
It is located in the Sierra de Guadarrama mountain range, between the municipalities of Miraflores de la Sierra and Rascafría, in the Community of Madrid. From Miraflores de la Sierra (1200m), the route ascends approximately 600m over 10km (average gradient 4–6%), and after reaching the summit, it descends 13km to Rascafría (1150m) with a gradient of 4.5–7%.
6
0
Mountain refuge near the Laguna Grande de Peñalara, with spectacular views of the surrounding area. It's worth returning from the lagoon to the reserves, passing through the refuge—the views won't disappoint.
0
0
This refuge is located in one of the most beautiful meadows in the Guadarrama mountain range, on the north side of Peñalara. It is important to maintain it and keep it in good condition.
0
0
Tired from the climb, you sit down sheltered from the wind and eat a snack. If it's not windy or cold, look toward Peñalara and make out the landscapes and lagoons. Look toward the Bola del Mundo and admire the scenery. Look toward La Cuerda Larga and explore its grandeur.
1
0
Lozoya Somosierra offers a diverse landscape for runners. You'll find everything from gentle paths along river valleys and reservoirs to challenging mountainous terrain with significant elevation changes. The region includes parts of the Sierra de Somosierra and the northern Sierra de Guadarrama, featuring extensive forests of pine, oak, and birch, as well as open scrublands and meadows. This variety caters to different preferences and fitness levels.
Yes, while many routes are challenging, Lozoya Somosierra does offer options for easier runs. The region features paths along river valleys and reservoirs that are generally flatter. For example, the Embalse de Pinilla – running circular from Lozoya offers a more moderate experience around the reservoir, with less elevation gain compared to mountain trails. There are 11 easy routes and 105 moderate routes available, providing plenty of choices for those seeking a less strenuous run.
The region is rich in natural beauty. You can encounter impressive waterfalls like the Hervidero Waterfall, which is part of the Cascadas del Hervidero – running circular from San Agustín de Guadalix route. Other notable features include the dramatic El Villar Reservoir and Gorge, and various viewpoints offering spectacular vistas, such as the Vultures' Viewpoint. The mountainous terrain also provides views of the majestic Peñalara massif.
Absolutely. Many of the running routes in Lozoya Somosierra are circular, allowing you to start and end in the same location without retracing your steps. An example is the Embalse de Pinilla – running circular from Lozoya, which takes you around the reservoir. Another option is the El Hueco de San Blas — circular desde la ermita, offering a loop through varied landscapes.
Lozoya Somosierra offers pleasant running conditions for much of the year. Spring and autumn are particularly vibrant, with lush greenery and changing foliage, and generally milder temperatures. Summer can be warm, especially at lower elevations, but higher mountain routes offer cooler air. Winter provides a different experience, with the possibility of snow in the higher Sierra de Guadarrama, making for picturesque but potentially more challenging runs.
While many routes in Lozoya Somosierra are geared towards more experienced runners due to elevation and distance, there are gentler paths that families can enjoy. Look for routes along the Lozoya River or around reservoirs, which tend to have less challenging terrain. The Giner de los Ríos Arboretum, near the Monastery of Santa Maria del Paular, also offers a pleasant, easy environment for a light jog or walk with family.
Many natural areas in Spain, including parts of Lozoya Somosierra, are generally dog-friendly, especially on trails. However, regulations can vary, particularly within protected areas like the Guadarrama National Park. It's always advisable to keep your dog on a leash to protect wildlife and ensure the safety of other trail users. Check local signage or park authority websites for specific rules regarding dogs in certain zones.
There are over 300 running routes recorded in Lozoya Somosierra on komoot, offering a wide range of options for all types of runners. This includes 11 easy routes, 105 moderate routes, and 206 difficult routes, ensuring there's a trail to match every fitness level and preference.
The running routes in Lozoya Somosierra are highly rated by the komoot community, with an average score of 4.6 stars from over 44 reviews. Runners often praise the region's diverse landscapes, from the majestic mountainous terrain of the Peñalara massif to the serene river valleys and extensive forests. The variety of trails, catering to different abilities, and the inspiring natural beauty are frequently highlighted as key attractions.
Yes, the region has charming rural towns and villages where you can find accommodation and dining options. While specific cafes or pubs aren't listed directly with each route, the presence of towns like Lozoya and others in the valley means you'll likely find places to refuel and rest after your run. For those looking for a more rustic experience, there are also various huts and shelters, such as the Santuil Forest House or El Pingarrón Refuge, which can be found along some routes.
Lozoya Somosierra is an excellent destination for challenging trail running, with 206 difficult routes available. For example, the Cuerda Larga from Puerto de la Morcuera – trail run to Cabeza de Hierro Mayor is a demanding route covering over 21 km with significant elevation gain. Another challenging option is El Hueco de San Blas y La Najarra — circular desde Miraflores de la Sierra, which also features substantial distance and ascent, perfect for experienced trail runners.
Access to trailheads in Lozoya Somosierra by public transport can vary. While some towns in the region are served by bus routes from Madrid, direct access to all trailheads might require a car. For routes starting from popular points like Puerto de Cotos, there might be more frequent public transport connections. It's recommended to check local bus schedules and routes in advance, especially when planning to reach more remote starting points.


Check out more Running Trails & Routes throughout Lozoya Somosierra below and find the perfect route in your destination.
Browse the best Running Trails & Routes in other regions.