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Lake · Hamburg

Außenalster

3 m10 ft
Area
1.59 km²
Tonight
10°CCloudy · Wind 29 km/h S

Außenalster is a lake at 3 m above sea level in Hamburg, Germany, 1.59 km² in area and 2.6 km long.

All facts
Surface elevation
3 m
Length
2.6 km
Shoreline
7.7 km
Open the 3D view
Lake

Außenalster in numbers

Shoreline from OpenStreetMap.

2.6 km longest1 kmN ↑
Shoreline
7.7 km≈2 h to walk around
3D map

Außenalster 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 4.6 × 4.6 km

Surface
Vertical scale
Topographic map

Außenalster terrain and contours

2 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 10 mShowing west → east through the centre

Außenalster 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

Außenalster weather

Tonight · Cloudy · 10°C (50°F) · 0.3 mm · Wind 29 km/h S

Außenalster forecast for about 3 m.

  • Tonight10°0.3 mm29 km/h S
  • Today8°11°12.1 mm35 km/h S
  • Sun9°13°1.7 mm36 km/h SW
  • Mon9°12°4.1 mm26 km/h SW
  • Tue13°16°–17 km/h S
  • Wed10°13°–17 km/h W
  • Thu8°13°–12 km/h W
  • Fri9°12°–9 km/h SE
  • Sat8°11°–11 km/h E
  • Sun7°9°–11 km/h E
  • Mon6°10°–10 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 24, 01:29 UTC.

Camping & parking

Camping & parking near Außenalster

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

  • Nearest parking

    0.5 km ESE

    +2 more within 0.5 km

    DirectionsMap

  • Nearest caravan site

    Wohnmobilstellplatz Heiligengeistfeld

    2.6 km WSW · +2 more within 3.9 km

    DirectionsMap
All mapped places 6
PlaceDistance
Parking0.5 km ESE
Parking0.5 km E
Parking0.5 km ESE
Wohnmobilstellplatz HeiligengeistfeldCaravan site2.6 km WSW
Wohnmobilhafen HamburgCaravan site2.6 km SSE
St. PauliCaravan site3.9 km WSW
Slope

Slope

Share of the 4.6 × 4.6 km view by steepness, from the 30 m model.

Mostly gentle: 99% of the view is under 15°.

Gentle, 0–15°
98.8%
Moderate, 15–30°
1.2%
Steep, 30–45°
0.0%
Cliffs, 45° and over
0.0%
Steeper than 30°
0.0% of the 21 km² view
Relief in view
57 m low point -10 m
Land cover

Land cover

ESA WorldCover 10 m classification of the same area.

Built-up 58.8%Trees 30.7%Water 9.6%Grassland 0.8%

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

Wildlife

Wildlife seen nearby

Sightings of the most-seen species on iNaturalist (research grade) within 2.3 km; 903 species recorded in all.

Sightings per species 6
  • Greylag Goose405
  • Common Coot334
  • Eurasian Moorhen287
  • Mallard277
  • Rock Pigeon254
  • Black-headed Gull189
Where it sits

Where Außenalster sits

Region
Germany118Europe2,143
Nearby

Nearby places

More 1
Downloads

Außenalster 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/aussenalster" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Außenalster"></iframe> <p><a href="https://topolu.com/aussenalster" 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 2026-08-13)
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)
Wildlife
iNaturalist community observations, counts only
Forecast
Weather forecast from MET Norway (CC BY 4.0)
Sources
Wikidata · GeoNames · Wikipedia