Black River Benchmark, Washington

Prominence: 427 ft, 130 m

Elevation: 476+ feet, 145+ meters

Approx. Isolation: 3.09 mi, 4.97 km
Elevation Info:Elevation range: 145 - 150 m
    (5-meter closed contour)
NAVD88 Elevation: 480 ft / 146 m
    (Range 146 - 151 m)
Alternate Name(s)Skyway Hill
Peak TypeHill
Latitude/Longitude (WGS84)47° 29' 16'' N, 122° 14' 36'' W
47.487778, -122.243211 (Dec Deg)
557009 E 5259649 N, Zone 10 (UTM)
CountryUnited States
County/Second Level RegionKing
City/TownBryn Mawr-Skyway

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Other Web Sites
     Duwamish Hill at
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Weather and Snow
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Selected Trip Reports from this site:
     2010-12-25 by Eric Noel
     2012-01-23 by Craig Willis
     2015-02-11 by Marion Bauman

View ascents of peak by registered members (15 total)

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Black River Benchmark
     Elevation Ladder from Black River Benchmark
     Prominence Ladder from Black River Benchmark

Google Maps Dynamic Map

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Web Map LinksAcme Mapper   MyTopo   Gmap4   TopoQuest
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 427 ft/130 m
  Optimistic Prominence: 443 ft/135 m
  Key Col: Montlake Cut    49 ft/15 m
Isolation3.09 mi/4.97 km
Nearest Higher Neighbor in the PBC database:
    McMicken Heights  (SW)
Not verified: May be a major NHN that is not in the database.
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Seattle-Everett Area
Drainage Basins
Puget Sound
Pacific Ocean
Lake Washington
Puget Sound
Pacific Ocean
OwnershipLand: Private Land
Topo MapRenton O47122d1 1:25,000
Route #1 Paved Road
Data Source1:25,000 (or larger) Topographic Survey Map

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