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Cerro Calderona · 826 m · 3.6 km WNW
Lake · Community of Madrid

San Juan Reservoir

570 m1,870 ft
Area
5.95 km²
Tonight
6°CPartly cloudy · Wind 13 km/h NW

San Juan Reservoir is a lake at 570 m above sea level in Community of Madrid, Spain, 5.95 km² in area and 12.4 km long.

All facts
Surface elevation
570 m
Length
12.4 km
Shoreline
49.3 km
Open the 3D view
Lake

San Juan Reservoir in numbers

Shoreline from OpenStreetMap.

12.4 km longest2 kmN ↑
Shoreline
49.3 km
3D map

San Juan Reservoir 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 14.4 × 14.4 km

Surface
Vertical scale
Topographic map

San Juan Reservoir terrain and contours

25 m contours from the Copernicus GLO-30 terrain model. Click two points on the map to draw your own cross-section.Tap two points on the map to draw your own cross-section.

Index contours every 125 mShowing west → east through the centre

San Juan Reservoir elevation profile

West → east through the centre

Hover the profile to read elevation and distance.Tap or drag along the profile to read elevation and distance.
Weather

San Juan Reservoir weather

Tonight · Partly cloudy · 6°C (43°F) · Wind 13 km/h NW

San Juan Reservoir forecast for about 570 m.

  • Tonight6°–13 km/h NW
  • Today5°19°–12 km/h S
  • Sun8°24°–16 km/h NW
  • Mon9°22°–7 km/h SE
  • Tue10°21°–6 km/h NW
  • Wed8°22°–7 km/h NW
  • Thu10°22°–6 km/h NW
  • Fri9°23°–9 km/h NW
  • Sat10°23°–10 km/h NW
  • Sun11°18°0.5 mm9 km/h E

Forecast data: MET Norway, CC BY 4.0; daily low and high, precipitation total and strongest wind from the hourly data, model run Oct 23, 23:19 UTC.

Camping & parking

Camping & parking near San Juan Reservoir

Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around San Juan Reservoir, nearest first, by straight-line distance. Check access, fees and permits locally.

  • Nearest parking

    1.6 km WNW

    +2 more within 1.8 km

    DirectionsMap

  • Nearest campsite

    La Ardilla Roja

    2.0 km SE · +2 more within 7.0 km

    DirectionsMap

  • Nearest hut

    Refugio Juvenil «Los Camineros»

    4.5 km W

    DirectionsMap
All mapped places 7
PlaceDistance
Parking1.6 km WNW
Parking1.7 km WNW
Parking1.8 km SE
La Ardilla RojaCampsite2.0 km SE
Camping La EnfermeríaCampsite2.5 km SSE
Refugio Juvenil «Los Camineros»Hut4.5 km W
Campamento Las TórtolasCampsite7.0 km WNW
Slope

Slope

Share of the 14.4 × 14.4 km view by steepness, from the 30 m model.

Mostly gentle: 77% of the view is under 15°.

Gentle, 0–15°
76.7%
Moderate, 15–30°
22.0%
Steep, 30–45°
1.3%
Cliffs, 45° and over
0.0%
Steeper than 30°
1.3% of the 207 km² view
Relief in view
617 m low point 516 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Trees 52.4%Grassland 34.6%Shrubland 6.8%Water 2.9%Built-up 1.8%Cropland 1.4%

Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.

Nearby summits

Nearby summits

Named peaks within 7.2 km of San Juan Reservoir.

NESW5 km10 km123456789
Summit list 9
  1. 1La Cabreruela862 m 1.5 km NNE
  2. 2Cabrera Alta1,039 m 2.4 km N
  3. 3Cabrera Baja952 m 2.6 km NE
  4. 4Cerro Calderona826 m 3.2 km W
  5. 5Trasierra882 m 3.8 km W
  6. 6Cerros de la Guache865 m 4.1 km WSW
  7. 7Alto Parada963 m 5.7 km ENE
  8. 8Castillejos890 m 6.5 km SSW
  9. 9Cerro Agudillo832 m 6.6 km NE
Where it sits

Where San Juan Reservoir sits

Region
Community of Madrid4Spain109Europe2,143
Nearby

Nearby places

More 1
Downloads

San Juan Reservoir downloads: topographic map, heightmap, STL 3D model and DEM

Free files made in your browser from this page's terrain data. No sign-up; credit the sources below.

Print & wall
3D printing & 3D apps
GIS & GPS
</>Embed this mapPaste this into your site to show the interactive 3D terrain, with a credit link back here.<iframe src="https://topolu.com/embed/san-juan-reservoir" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of San Juan Reservoir"></iframe> <p><a href="https://topolu.com/san-juan-reservoir" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Sources

Data sources

Terrain
Produced using Copernicus WorldDEM-30 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Imagery
Contains modified Copernicus Sentinel data 2026 (scene 2026-09-12)
Land cover
© ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts
Wikidata (CC0)
Camping & parking, Geometry
© OpenStreetMap contributors (ODbL)
Summits
© OpenStreetMap contributors, via Overture Maps Foundation (ODbL)
Panorama
Includes Copernicus WorldDEM-90 © DLR e.V. 2010-2014 and © Airbus Defence and Space GmbH 2014-2018 provided under COPERNICUS by the European Union and ESA; all rights reserved. The European Union, ESA, DLR and Airbus incur no liability for any use of this data and do not endorse this service.
Forecast
Weather forecast from MET Norway (CC BY 4.0)
Sources
Wikidata · Wikipedia