Grand Ridge, Washington

Prominence: 890 ft, 271 m

Elevation: 1430+ feet, 436+ meters

Approx. Isolation: 3.03 mi, 4.87 km
Elevation Info:Elevation range: 1430 - 1440 ft
    (10-foot closed contour)
NAVD88 Elevation: 1434 ft / 437 m
    (Range 1434 - 1444 ft)
SubpeaksGrand Ridge-South Peak (1280 ft/390 m)
Latitude/Longitude (WGS84)47° 33' 4'' N; 121° 57' 41'' W
47.55106, -121.96134 (Dec Deg)
578149E 5266927N Zone 10 (UTM)
CountryUnited States
County/Second Level RegionKing

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Other Web Sites
     Grand Ridge at
     North Grand Ridge at

Weather and Snow
     National Weather Service Forecast
     NOAA Snow Depth Map

Selected Trip Reports from this site:
     2015-05-17 by Greg Slayden (GPS Track)
     2016-02-26 by Eric Noel

View ascents of peak by registered members (16 total)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Grand Ridge
     Elevation Ladder from Grand Ridge
     Prominence Ladder from Grand Ridge

The USGS topo map shows 2 contours of 1420 feet (20' interval), the southern one with a 1422 spot elevation. The King County iMAP GIS site shows 2 contours of 1430' (10' interval). The southern area is on private property, and the King County map show that it is by far the smaller contour and it almost entirely coincides with a house. The northern contour is on public state forest land and is larger and is also undisturbed natural ground. This northern contour almost certainly seems like the actual high point of Grand Ridge.

A good unmaintained trail on public property leads from the Grand Ridge trail to within 0.3 miles of the high point. The last bit is some nasty bushwhacking to the indicated coordinates, an obvious rise in the forest well away from the nearby private residences.

Google Maps Dynamic Map

 Grand Ridge    Other Peaks
Click Here for a Full Screen Map
Web Map LinksAcme Mapper   MyTopo   Gmap4   TopoQuest
Bing Maps   Google Maps
ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 890 ft/271 m
  Optimistic Prominence: 920 ft/280 m
  Line Parent: West Tiger Mountain
  Key Col: 540 ft/165 m
Isolation3.03 mi/4.87 km
Nearest Higher Neighbor in the PBC database:
    West Tiger Mountain #3  (SSW)
Isolation distance is based on NHN and is slightly overstated.
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Seattle-Everett Area (Highest Point)
Drainage Basins
Puget Sound
Pacific Ocean
Lake Washington
Puget Sound
Pacific Ocean
Topo MapFall City O47121e8 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map

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