Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Mountain biking trails
Spain
Madrid
Sur Occidental
San Martín De Valdeiglesias

San Juan Reservoir – Descent of the Losa loop from Embalse de San Juan

Routes
Mountain biking trails
Spain
Madrid
Sur Occidental
San Martín De Valdeiglesias

San Juan Reservoir – Descent of the Losa loop from Embalse de San Juan

Hard

5.0

(3)

30

riders

San Juan Reservoir – Descent of the Losa loop from Embalse de San Juan

02:15

28.0km

430m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is right next to a parking lot.

Last updated: June 13, 2026

Tips

Includes a segment in which cycling is not permitted

After 12.4 km for 352 m

Waypoints

A

Start point

Parking

Get Directions

1

536 m

San Juan Reservoir

Highlight • Lake

The view of the lake is often obstructed by the many high fences built by the residents.

Translated by Google •

Tip by

2

11.0 km

Descent of the Losa

Highlight (Segment) • Climb

Decent sigletrack type with an area that goes down a very vertical stone slab.

Translated by Google •

Tip by

3

12.5 km

View of Pantano de San Juan

Highlight • Viewpoint

Beautiful view of the harbor.

Translated by Google •

Tip by

4

12.8 km

San Juan Ridge

Highlight • Structure

The moraine that maintains the beauty of the lake.

Translated by Google •

Tip by

5

13.3 km

The Cistercian monastery of Pelayos de la Presa is the oldest monastic complex in Madrid. It dates back to the 12th century, and although it was renovated in the 15th, …

Translated by Google •

Tip by

6

21.0 km

San Martín de Valdeiglesias

Highlight • Settlement

Bordering town in the community of Madrid, there are shops and bars

Translated by Google •

Tip by

B

28.0 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

15.5 km

7.53 km

2.53 km

2.45 km

Surfaces

13.4 km

11.4 km

1.93 km

695 m

465 m

116 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (740 m)

Lowest point (560 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Monday 6 July

38°C

25°C

17 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

Comments

guide_signup

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Nearby routes

Hard

4.9

162

Valle de Iruelas and Puerto de Casillas Loop

04:22h

44.9km

1,260m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy