Twentymile River

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Twentymile River
BridgeOverTwentyMileRiver.jpg
Twentymile River at its delta at the Seward Highway bridge. (Portage Peak in the background)
Relief map of USA Alaska.png
Red pog.svg
Location in Alaska
Location
Country United States
State Alaska
City Portage
Physical characteristics
SourceVarious small glaciers
Mouth Turnagain Arm
  location
Portage
  coordinates
60°50′43″N148°59′21″W / 60.8452°N 148.9893°W / 60.8452; -148.9893 Coordinates: 60°50′43″N148°59′21″W / 60.8452°N 148.9893°W / 60.8452; -148.9893
  elevation
0 m (0 ft)
Length17 mi (27 km)
Discharge 
  location mouth
Basin features
Tributaries 
  left Moraine River, Glacier River

The Twentymile River is a river near the Kenai Peninsula in Alaska. [1] It rises in a remote valley from meltwater of several small glaciers in the Chugach Mountains and flows out into a large, wide valley where it receives the water of the Moraine and Glacier rivers. Eventually, the river empties into Turnagain Arm after flowing 17 miles (27 km) [2] [3] to a broad marshy delta alongside the deltas of Portage Creek and the Placer River. [4] Contrary to popular belief, the source of the river is not Twentymile Glacier. [5]

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References

  1. "Alaska Topographic Maps by Topo Zone". TopoZone. Retrieved 2018-02-20.
  2. Orth, Donald J. (1967). Dictionary of Alaska Place Names. U.S. Government Printing Office. p.  997. usgs twentymile river naming.
  3. "Twentymile River".
  4. The Milepost, 59th edition, page 556, ISBN   9781892154217
  5. Orth, Donald J. (1967). Dictionary of Alaska Place Names. U.S. Government Printing Office. p.  997. usgs twentymile river naming.