Green Mountain Reservoir
- Area
- 8.27 km²
- Tonight
- 31°FRain showers · Wind 3 mph W
Green Mountain Reservoir is a lake at 2,420 m above sea level in Colorado, United States, 8.27 km² in area and 10.4 km long.
All facts
- Surface elevation
- 2,420 m
- Length
- 10.4 km
- Shoreline
- 34.2 km
Green Mountain Reservoir in numbers
Shoreline from OpenStreetMap.
- Shoreline
- 34.2 km≈8½ h to walk around
Green Mountain Reservoir 3D map
Drag to orbit · click, then scroll to zoom (or Ctrl/⌘ + scroll) · One finger scrolls the page · two fingers orbit and zoom · 12.4 × 12.4 km
Green Mountain Reservoir terrain and contours
50 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.
Green Mountain Reservoir elevation profile
West → east through the centre
Green Mountain Reservoir weather
Today · Rain showers at night · 31 / 53°F (-1 / 12°C) · 62% chance of precipitation · Wind 6 mph WSW
Green Mountain Reservoir forecast for about 2,438 m.
- Today31°53°62%6 mph WSW
- Mon23°53°12%2–8 mph W
- Tue24°56°–6–17 mph SW
- Wed25°59°–6–12 mph SSW
- Thu28°60°1%5–9 mph SW
- Fri30°60°32%6 mph SSW
- Sat27°55°47%1–6 mph SW
Forecast data: NOAA National Weather Service, public domain, model run Oct 25, 06:46 UTC.
Camping & parking near Green Mountain Reservoir
Campsites, parking, trailheads and mountain huts mapped in OpenStreetMap around Green Mountain Reservoir, nearest first, by straight-line distance. Check access, fees and permits locally.
Nearest campsite
Cow Creek South Campground
Nearest parking
1.4 km E
All mapped places 5
| Place | Distance |
|---|---|
| Cow Creek South CampgroundCampsite | 1.0 km NNE |
| Parking | 1.4 km E |
| Parking | 3.2 km ESE |
| Parking | 4.4 km SSW |
| CampingCampsite | 5.5 km SE |
Slope
Share of the 12.4 × 12.4 km view by steepness, from the 10 m model.
Mostly gentle: 60% of the view is under 15°.
- Steeper than 30°
- 6.9% of the 154 km² view
- Relief in view
- 1,175 m low point 2,243 m
Land cover
ESA WorldCover 10 m classification of the same area.
Snow & ice means glaciers and year-round snow (a yearly average), not today’s snow cover.
Nearby summits
Named peaks within 6.2 km of Green Mountain Reservoir.
Summit list 3
- 1Green Mountain2,846 m 4.3 km WNW
- 2Haystack Mountain2,746 m 4.9 km N
- 3Little Green Mountain2,657 m 5.7 km WNW
Wildlife seen nearby
Sightings of the most-seen species on iNaturalist (research grade) within 6.2 km; 267 species recorded in all.
Sightings per species 6
- Monument plant48
- Blue columbine36
- Sulfur buckwheat31
- Corn Lily24
- Scarlet Gilia23
- Western red columbine17
Where Green Mountain Reservoir sits
- Region
- Colorado59United States943North America1,328
Nearby places
Green Mountain 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.
3D printing & 3D apps
GIS & GPS
Free to use with credit: see the data sources
Data sources
- Terrain
- U.S. Geological Survey, 3D Elevation Program (public domain)
- Imagery
- Contains modified Copernicus Sentinel data 2025 (scene 2025-08-20)
- 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)
- Protected area
- USGS Gap Analysis Project, PAD-US (public domain)
- Wildlife
- iNaturalist community observations, counts only
- 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 NOAA National Weather Service (public domain)