Lake · Pennsylvania

Allegheny Reservoir

626 m2,054 ft

Area: 0.46 km²
Tonight: 32°FClear · Wind 5 mph SE

Allegheny Reservoir is a lake at 626 m above sea level in Pennsylvania, United States, 0.46 km² in area and 0.8 km long.

All facts

Surface elevation: 626 m
Length: 0.8 km
Shoreline: 2.4 km

Open the 3D view

Lake

Allegheny Reservoir in numbers

Shoreline from OpenStreetMap.

Shoreline: 2.4 km≈30 min to walk around

3D map

Allegheny Reservoir 3D map

Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 4 × 4 km

Surface

Vertical scale

Topographic map

Allegheny Reservoir terrain and contours

10 m contours from the USGS 3DEP 10 m 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 50 mShowing west → east through the centre

Allegheny 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

Allegheny Reservoir weather

Tonight · Clear · 32°F (0°C) · Wind 5 mph SE

Allegheny Reservoir forecast for about 623 m.

Tonight32°–5 mph SE
Sat33°61°–5 mph SE
Sun37°63°–5 mph S
Mon38°66°–6 mph W
Tue38°59°3%3 mph NE
Wed43°63°5%5 mph S
Thu44°66°14%8 mph S

Forecast data: NOAA National Weather Service, public domain, model run Oct 24, 01:26 UTC.

Camping & parking

Camping & parking near Allegheny Reservoir

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

Nearest parking
0.1 km SSE
+2 more within 0.3 km
Directions Map
Nearest campsite
Dewdrop Recreation Area
3.7 km E · +2 more within 6.6 km
Directions Map

All mapped places 6

Place	Distance
Parking	0.1 km SSE
Parking	0.2 km NNW
Parking	0.3 km N
Dewdrop Recreation AreaCampsite	3.7 km E
Old State Road CampgroundCampsite	5.3 km NE
Morrison Boat Access CampgroundCampsite	6.6 km ESE

Slope

Share of the 4 × 4 km view by steepness, from the 10 m model.

Mostly gentle: 74% of the view is under 15°.

Gentle, 0–15°

74.4%

Moderate, 15–30°

20.1%

Steep, 30–45°

5.2%

Cliffs, 45° and over

0.2%

Steeper than 30°: 5.4% of the 16 km² view
Relief in view: 282 m low point 366 m

Land cover

ESA WorldCover 10 m classification of the same area.

Trees 86.2%Water 10.0%Grassland 3.3%

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

Where it sits

Where Allegheny Reservoir sits

Nearby

Nearby places

More 1

Pymatuning ReservoirLake126 km WSW

Downloads

Allegheny 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

JPGAllegheny Reservoir satellite image (JPEG)Sentinel-2 true-colour image of the same area, taken 2026-09-07.

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/allegheny-reservoir" width="100%" height="480" style="border:0" loading="lazy" allowfullscreen title="3D terrain of Allegheny Reservoir"></iframe>
<p><a href="https://topolu.com/allegheny-reservoir" rel="nofollow">Topolu</a></p>

Free to use with credit: see the data sources

Sources

Data sources

Terrain: U.S. Geological Survey, 3D Elevation Program (public domain)
Imagery: Contains modified Copernicus Sentinel data 2026 (scene 2026-09-07)
Land cover: © ESA WorldCover project 2021 / Contains modified Copernicus Sentinel data (2021) processed by ESA WorldCover consortium
Facts: Wikidata (CC0)
Protected area: USGS Gap Analysis Project, PAD-US (public domain)
Forecast: Weather forecast from NOAA National Weather Service (public domain)
Sources: Official website · Wikidata · GeoNames · Wikipedia

Allegheny Reservoir

West → east through the centre

Nearest parking

Nearest campsite