Tonga Ridge, Washington

Prominence: 796 ft, 243 m

Elevation: 5596 feet, 1706 meters

True Isolation: 1.76 mi, 2.84 km
Elevation Info:NAVD88 Elevation: 5600 ft / 1707 m
Latitude/Longitude (WGS84)47° 39' 37'' N, 121° 11' 55'' W
47.660227, -121.198564 (Dec Deg)
635257 E 5280109 N, Zone 10 (UTM)
CountryUnited States
County/Second Level RegionKing

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Other Web Sites
     Tonga Ridge; East at ListsOfJohn
     East Tonga Ridge at Summits on the Air (Amateur Radio)

Weather and Snow
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Lists that contain Tonga Ridge:
     Alpine Lakes "Home Court" Top 100 (Rank #51)
     Mid-State Milers (Rank #160)

Ascent Info

Total ascents/attempts logged by registered users: 43
     Show all viewable ascents/attempts (Total: 41)

Selected Trip Reports:
     2013-10-27 by Chad Straub
     2018-08-23 by Susan Shih
     2020-07-11 by Outside & Stuff (GPS Track)

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

Dynamic Map

 Tonga Ridge    Other Peaks
Click Here for a Full Screen Map
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ProminenceKey Col Page  (Detailed prominence information)
  Clean Prominence: 796 ft/243 m
  Optimistic Prominence: 836 ft/255 m
  Key Col: 4800 ft/1463 m
IsolationIsolation Page  (Detailed isolation information)
   Distance: 1.76 mi/2.84 km
   Isolation Limit Point: 47.66, -121.1608
Nearest Higher Neighbor in the PBC database:
    Spark Plug Mountain  (E)
RangesContinent: North America
Range2: Pacific Ranges
Range3: Cascade Range
Range4: South Washington Cascades
Range5: Alpine Lakes Area
Range6: Mount Daniel Area
Drainage BasinsSkykomish
Puget Sound
Strait of Juan de Fuca
Pacific Ocean
OwnershipLand: Mount Baker-Snoqualmie National Forest
Wilderness/Special Area: Alpine Lakes Management Unit OCD
Topo MapScenic O47121f2 1:24,000
Data Source1:25,000 (or larger) Topographic Survey Map

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