Old Black River Channel

Col Elevation: 32- feet, 10- meters

Key Col for:Black River Benchmark  (490 ft/149 m)
Key Col Elevation Info:Elevation range: 32 - 30 ft
    (2-foot contour interval)
Latitude/Longitude (WGS84)47° 28' 52'' N, 122° 12' 51'' W
47.481218, -122.214057 (Dec Deg)
ProminenceClean: 458 ft/139 m
Optimistic: 462 ft/141 m
Average: 460 ft/140 m
Prominence Parentage:Line Parent: McDonald Lookout Site
Prominence Parent: McDonald Mountain
Ridgewalk Distance:30.77 mi/49.53 km
CountryUnited States
County/Second Level RegionKing

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Google Maps Dynamic Map

 Old Black River Channel    Black River Benchmark
    Ridgewalk    Parent Peak(s)    Other Peaks
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Drainage Basins
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
Lake Washington
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
Topo MapRenton    O47122d1    1:25,000

Detailed Ridgewalk Listing

The table below lists the peaks and cols that lie on the path from Black River Benchmark to its Key Col and onward to its Line Parent.  This route is the highest possible path that follows ridgecrests from the peak to higher ground. It corresponds to the yellow line on the map above.  Note: This feature is preliminary. There may be errors in the ridgewalk data and/or bugs in the code that give misleading results. Sorry for any inconvenience.

Ridge PointElev-ftProm-ftRidge Name(s)Basins to each sideDist-miCumulative-mi
START: Black River Benchmark490458 Duwamish/Lake Washington  
KEY COL: Old Black River Channel32  Duwamish/Lake Washington1.611.61
(Ridge Junction)   Duwamish/Lake Washington8.7210.33
(Ridge Junction)   Duwamish/Lake Washington4.2114.54
(Ridge Junction)   Duwamish/Lake Washington6.9221.46
(Ridge Junction)   Duwamish/Lake Washington8.4629.91
LINE PARENT: McDonald Lookout Site32800  0.8630.77
PROM PARENT: McDonald Mountain35702170    

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