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Coordinates: 44°02′33″N 110°10′30″W / 44.04250°N 110.17500°W / 44.04250; -110.17500
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{{Short description|Mountain pass in Wyoming, US}}
{{Use mdy dates|date=April 2022}}
{{Infobox mountain pass
{{Infobox mountain pass
| name = Two Ocean Pass
| name = Two Ocean Pass
Line 5: Line 7:
| photo_caption = Modified portion of the USGS Two Ocean Pass Quadrangle<ref>''Two Ocean Pass Quadrangle, Wyoming-Teton Co.'' USGS Topographic Quadrangle, 1996: Note the 1996 quad does not show a split in the continental divide; however both the 1959 ''Two Ocean Pass, Wyoming'' 15 minute quadrangle and the 1982 ''Yellowstone National Park South, Wyo.'' 30x60 minute quad do show a split in the continental divide which includes the drainage basins of both North Two Ocean Creek and South Two Ocean Creek. The divide split is {{convert|8.7|km}} in length.</ref>
| photo_caption = Modified portion of the USGS Two Ocean Pass Quadrangle<ref>''Two Ocean Pass Quadrangle, Wyoming-Teton Co.'' USGS Topographic Quadrangle, 1996: Note the 1996 quad does not show a split in the continental divide; however both the 1959 ''Two Ocean Pass, Wyoming'' 15 minute quadrangle and the 1982 ''Yellowstone National Park South, Wyo.'' 30x60 minute quad do show a split in the continental divide which includes the drainage basins of both North Two Ocean Creek and South Two Ocean Creek. The divide split is {{convert|8.7|km}} in length.</ref>
| elevation_ft = 8130
| elevation_ft = 8130
| elevation_ref = <ref name=GNIS>{{cite gnis|id= 1603845 |name=Two Ocean Pass|accessdate=2011-02-19}}</ref>
| elevation_ref = <ref name=GNIS>{{cite gnis|id= 1603845 |name=Two Ocean Pass|accessdate=February 19, 2011}}</ref>
| traversed = North Two Ocean Creek
| traversed = North Two Ocean Creek
| location = [[Teton County, Wyoming]]
| location = [[Teton County, Wyoming]]
| range = [[Absaroka Range]]
| range = [[Absaroka Range]]
| coordinates = {{coord|44|02|28|N|110|10|03|W|type:pass}}
| coordinates = {{coord|44|02|33|N|110|10|30|W|type:pass|display=title}}
| topo = USGS Two Ocean Pass
| topo = USGS Two Ocean Pass
| embedded = {{designation list |embed=yes |designation1=NNL |designation1_date=October 1965}}
| embedded = {{designation list |embed=yes |designation1=NNL |designation1_date=October 1965}}
}}
}}


'''Two Ocean Pass''' is a [[mountain pass]] on [[North America]]'s [[Continental Divide of the Americas|Continental Divide]], in the [[Teton Wilderness]], which is part of [[Wyoming]]'s [[Bridger-Teton National Forest]]. The pass is notable for [[Parting of the Waters]], where one stream, North Two Ocean Creek, splits into two [[distributary|distributaries]], [[Pacific Creek (Teton County, Wyoming)|Pacific Creek]] and Atlantic Creek, at [[Parting of the Waters]] [[National Natural Landmark]]. These two creeks ultimately flow into their respective [[ocean]]s.<ref>[http://www.nature.nps.gov/nnl/site.cfm?Site=TWOC-WY ''Two Ocean Pass,'' National Natural Landmarks]</ref> Atlantic Creek water eventually flows into the [[Yellowstone River]] and empties into the Gulf of Mexico via the [[Missouri River]] and [[Mississippi River]]. Pacific Creek water eventually flows into the [[Snake River]] and empties into the Pacific via the [[Columbia River]].
'''Two Ocean Pass''' is a [[mountain pass]] on [[North America]]'s [[Continental Divide of the Americas|Continental Divide]], in the [[Teton Wilderness]], which is part of [[Wyoming]]'s [[Bridger-Teton National Forest]]. The pass is notable for [[Parting of the Waters]], where one stream, North Two Ocean Creek, splits into two [[distributary|distributaries]], [[Pacific Creek (Teton County, Wyoming)|Pacific Creek]] and [[Atlantic Creek]], at Parting of the Waters [[National Natural Landmark]]. These two creeks ultimately flow into their respective [[ocean]]s.<ref>[http://www.nature.nps.gov/nnl/site.cfm?Site=TWOC-WY ''Two Ocean Pass,'' National Natural Landmarks]</ref> Atlantic Creek water eventually flows into the [[Yellowstone River]] and empties into the Gulf of Mexico via the [[Missouri River]] and [[Mississippi River]]. Pacific Creek water eventually flows into the [[Snake River]] and empties into the Pacific via the [[Columbia River]].


==Recreation==
==Recreation==
The [[Continental Divide Trail]] reaches this location in northern [[Wyoming]]. It is accessible by foot or horseback from the south via Brooks Lake Trail head off of Highway 287 or from the north via an extensive hike from Fox Park near Yellowstone National Park's southern border.<ref>{{Cite book|title = Wyoming's Continental Divide Trail|last = Davis|first = Lora|publisher = Westcliffe Publishers, Inc.|year = 2000|isbn = 1-56579-332-3|location = |pages = 242–249}}</ref>
The [[Continental Divide Trail]] reaches this location in northern [[Wyoming]]. It is accessible by foot or horseback from the south via Brooks Lake Trail head off of Highway 287 or from the north via an extensive hike from Fox Park near Yellowstone National Park's southern border.<ref>{{Cite book|title = Wyoming's Continental Divide Trail|last = Davis|first = Lora|publisher = Westcliffe Publishers, Inc.|year = 2000|isbn = 1-56579-332-3|pages = 242–249}}</ref>

==Fish dispersal==
The pass is thought to have provided access for the [[Yellowstone cutthroat trout]] to have colonized [[Yellowstone Lake]] and the rest of the [[Yellowstone River]] watershed above [[Yellowstone Falls|Lower Falls]].<ref name="carlson">{{cite web |last1=Carlson |first1=Annie |title=Two Ocean Pass—A place where fish can swim over the Continental Divide! |url=https://www.usgs.gov/observatories/yvo/news/two-ocean-pass-place-where-fish-can-swim-over-continental-divide |website=usgs.gov |access-date=March 22, 2022}}</ref> Similarly, it has been considered as an alternative explanation for the arrival of non-native [[lake trout]] in Yellowstone Lake, which has traditionally been attributed to illegal or accidental [[fish stocking|stocking]].<ref name="detjens">{{cite journal |last1=Koel |first1=Todd M. |last2=Detjens |first2=Colleen R. |last3=Zale |first3=Alexander V. |title=Two Ocean Pass: An alternative hypothesis for the invasion of Yellowstone Lake by lake trout, and implications for future invasions |journal=Water |date=2020 |volume=12 |issue=6 |page=1629 |doi=10.3390/w12061629 |doi-access=free }}</ref>

==Climate==
Two Ocean Plateau has a [[subarctic climate]] ([[Köppen climate classification|Köppen]] ''Dfc'').
{{Weather box
|location = Two Ocean Plateau, Wyoming, 1991–2020 normals: 9240ft (2816m)
|single line = Yes

|Jan high F = 24.8
|Feb high F = 28.7
|Mar high F = 36.4
|Apr high F = 42.7
|May high F = 51.1
|Jun high F = 58.1
|Jul high F = 66.9
|Aug high F = 65.8
|Sep high F = 56.4
|Oct high F = 43.1
|Nov high F = 30.1
|Dec high F = 22.3
|year high F =

|Jan mean F = 16.1
|Feb mean F = 17.8
|Mar mean F = 24.2
|Apr mean F = 30.0
|May mean F = 39.0
|Jun mean F = 45.9
|Jul mean F = 53.8
|Aug mean F = 52.9
|Sep mean F = 44.8
|Oct mean F = 33.1
|Nov mean F = 21.3
|Dec mean F = 14.3
|year mean F =

|Jan low F = 7.3
|Feb low F = 6.8
|Mar low F = 11.9
|Apr low F = 17.4
|May low F = 26.8
|Jun low F = 33.6
|Jul low F = 40.7
|Aug low F = 39.9
|Sep low F = 33.0
|Oct low F = 23.0
|Nov low F = 12.5
|Dec low F = 6.3
|year low F =

|precipitation colour = green
|Jan precipitation inch = 4.65
|Feb precipitation inch = 4.28
|Mar precipitation inch = 4.71
|Apr precipitation inch = 4.33
|May precipitation inch = 3.77
|Jun precipitation inch = 3.23
|Jul precipitation inch = 1.41
|Aug precipitation inch = 1.57
|Sep precipitation inch = 2.21
|Oct precipitation inch = 3.33
|Nov precipitation inch = 4.51
|Dec precipitation inch = 5.02
|year precipitation inch =

|source 1 = XMACIS2<ref name = XMACIS2>
{{cite web
|url = https://xmacis.rcc-acis.org/
|publisher = National Oceanic and Atmospheric Administration
|title = xmACIS2
|access-date = October 14, 2023
}}
</ref>
|source 2 = NOAA (Precipitation)<ref name = NOAA2>
{{cite web
|url = https://www.ncei.noaa.gov/access/services/data/v1?dataset=normals-monthly-1991-2020&startDate=0001-01-01&endDate=9996-12-31&stations=USS0010E17S&format=pdf
|title= Two Ocean Plateau, Wyoming 1991-2020 Monthly Normals
|access-date = October 14, 2023
}}
</ref>
}}


==Gallery==
==Gallery==
<gallery widths="220px" heights="165px">
<gallery widths="220px" heights="165px">
File:PSM V47 D187 Two ocean pass looking east.jpg|A drawing made in 1894 of Two Ocean Pass with a view to the northeast.<ref>[https://archive.org/stream/popularsciencemo47newy#page/n183/mode/2up Barton Warren Evermann: Two-Ocean Pass. In: Popular Science Monthly. V. 47, 1895, pp. 175–186]</ref> Atlantic Creek exits the pass between the hills in the upper part of the image. Pacific Creek exits to the southwest in the lower part of the image. North Two Oceans Creek enters from the left side of the image and divides into its two distributaries and South Two Ocean Creek enters from the right of the image and is also shown dividing into two streams. Evermann Creek also enters the area from the west (just above the tents).
File:PSM V47 D187 Two ocean pass looking east.jpg|A drawing made in 1894 of Two Ocean Pass with a view to the northeast.<ref>[https://archive.org/stream/popularsciencemo47newy#page/n183/mode/2up Barton Warren Evermann: Two-Ocean Pass. In: Popular Science Monthly. V. 47, 1895, pp. 175–186]</ref> Atlantic Creek exits the pass between the hills in the upper center part of the image. Pacific Creek exits to the southwest in the bottom center of the image. North Two Oceans Creek enters from the left top center of the image and divides into its two distributaries and South Two Ocean Creek enters from the right center of the image and is also shown dividing into two streams. Evermann Creek also enters the area from the west (left center, just above the tents).
File:Two oceans parting.JPG|Here Two Ocean Creek splits in two directions on the Continental Divide. Water on the left in this 2011 photo goes to the Atlantic and water on the right to the Pacific Ocean.</gallery>
File:Two oceans parting.JPG|Here Two Ocean Creek splits in two directions on the Continental Divide. Water on the left in this 2011 photo goes to the Atlantic and water on the right to the Pacific Ocean.</gallery>

==See also==
[[Committee's Punch Bowl]], a small lake on the Continental Divide between British Columbia and Alberta, which drains to both the Arctic and Pacific Oceans.


==References==
==References==
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{{Commons category}}
{{Commons category}}
{{authority control}}


[[Category:Mountain passes of Wyoming]]
[[Category:Mountain passes of Wyoming]]
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[[Category:Great Divide of North America]]
[[Category:Great Divide of North America]]
[[Category:Protected areas of Teton County, Wyoming]]
[[Category:Protected areas of Teton County, Wyoming]]
[[Category:Bridger-Teton National Forest]]
[[Category:Bridger–Teton National Forest]]
[[Category:Mountain passes of Teton County, Wyoming]]
[[Category:Mountain passes of Teton County, Wyoming]]


{{Wyoming-geo-stub}}

Latest revision as of 11:09, 22 February 2024

Two Ocean Pass
Modified portion of the USGS Two Ocean Pass Quadrangle[1]
Elevation8,130 ft (2,478 m)[2]
Traversed byNorth Two Ocean Creek
LocationTeton County, Wyoming
RangeAbsaroka Range
Coordinates44°02′33″N 110°10′30″W / 44.04250°N 110.17500°W / 44.04250; -110.17500
Topo mapUSGS Two Ocean Pass
DesignatedOctober 1965

Two Ocean Pass is a mountain pass on North America's Continental Divide, in the Teton Wilderness, which is part of Wyoming's Bridger-Teton National Forest. The pass is notable for Parting of the Waters, where one stream, North Two Ocean Creek, splits into two distributaries, Pacific Creek and Atlantic Creek, at Parting of the Waters National Natural Landmark. These two creeks ultimately flow into their respective oceans.[3] Atlantic Creek water eventually flows into the Yellowstone River and empties into the Gulf of Mexico via the Missouri River and Mississippi River. Pacific Creek water eventually flows into the Snake River and empties into the Pacific via the Columbia River.

Recreation[edit]

The Continental Divide Trail reaches this location in northern Wyoming. It is accessible by foot or horseback from the south via Brooks Lake Trail head off of Highway 287 or from the north via an extensive hike from Fox Park near Yellowstone National Park's southern border.[4]

Fish dispersal[edit]

The pass is thought to have provided access for the Yellowstone cutthroat trout to have colonized Yellowstone Lake and the rest of the Yellowstone River watershed above Lower Falls.[5] Similarly, it has been considered as an alternative explanation for the arrival of non-native lake trout in Yellowstone Lake, which has traditionally been attributed to illegal or accidental stocking.[6]

Climate[edit]

Two Ocean Plateau has a subarctic climate (Köppen Dfc).

Climate data for Two Ocean Plateau, Wyoming, 1991–2020 normals: 9240ft (2816m)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Mean daily maximum °F (°C) 24.8
(−4.0) 		28.7
(−1.8) 		36.4
(2.4) 		42.7
(5.9) 		51.1
(10.6) 		58.1
(14.5) 		66.9
(19.4) 		65.8
(18.8) 		56.4
(13.6) 		43.1
(6.2) 		30.1
(−1.1) 		22.3
(−5.4) 		43.9
(6.6)
Daily mean °F (°C) 16.1
(−8.8) 		17.8
(−7.9) 		24.2
(−4.3) 		30.0
(−1.1) 		39.0
(3.9) 		45.9
(7.7) 		53.8
(12.1) 		52.9
(11.6) 		44.8
(7.1) 		33.1
(0.6) 		21.3
(−5.9) 		14.3
(−9.8) 		32.8
(0.4)
Mean daily minimum °F (°C) 7.3
(−13.7) 		6.8
(−14.0) 		11.9
(−11.2) 		17.4
(−8.1) 		26.8
(−2.9) 		33.6
(0.9) 		40.7
(4.8) 		39.9
(4.4) 		33.0
(0.6) 		23.0
(−5.0) 		12.5
(−10.8) 		6.3
(−14.3) 		21.6
(−5.8)
Average precipitation inches (mm) 4.65
(118) 		4.28
(109) 		4.71
(120) 		4.33
(110) 		3.77
(96) 		3.23
(82) 		1.41
(36) 		1.57
(40) 		2.21
(56) 		3.33
(85) 		4.51
(115) 		5.02
(128) 		43.02
(1,095)
Source 1: XMACIS2[7]
Source 2: NOAA (Precipitation)[8]

Gallery[edit]

  • A drawing made in 1894 of Two Ocean Pass with a view to the northeast.[9] Atlantic Creek exits the pass between the hills in the upper center part of the image. Pacific Creek exits to the southwest in the bottom center of the image. North Two Oceans Creek enters from the left top center of the image and divides into its two distributaries and South Two Ocean Creek enters from the right center of the image and is also shown dividing into two streams. Evermann Creek also enters the area from the west (left center, just above the tents).
    A drawing made in 1894 of Two Ocean Pass with a view to the northeast.[9] Atlantic Creek exits the pass between the hills in the upper center part of the image. Pacific Creek exits to the southwest in the bottom center of the image. North Two Oceans Creek enters from the left top center of the image and divides into its two distributaries and South Two Ocean Creek enters from the right center of the image and is also shown dividing into two streams. Evermann Creek also enters the area from the west (left center, just above the tents).
  • Here Two Ocean Creek splits in two directions on the Continental Divide. Water on the left in this 2011 photo goes to the Atlantic and water on the right to the Pacific Ocean.
    Here Two Ocean Creek splits in two directions on the Continental Divide. Water on the left in this 2011 photo goes to the Atlantic and water on the right to the Pacific Ocean.

See also[edit]

Committee's Punch Bowl, a small lake on the Continental Divide between British Columbia and Alberta, which drains to both the Arctic and Pacific Oceans.

References[edit]

  1. ^ Two Ocean Pass Quadrangle, Wyoming-Teton Co. USGS Topographic Quadrangle, 1996: Note the 1996 quad does not show a split in the continental divide; however both the 1959 Two Ocean Pass, Wyoming 15 minute quadrangle and the 1982 Yellowstone National Park South, Wyo. 30x60 minute quad do show a split in the continental divide which includes the drainage basins of both North Two Ocean Creek and South Two Ocean Creek. The divide split is 8.7 kilometres (5.4 mi) in length.
  2. ^ "Two Ocean Pass". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved February 19, 2011.
  3. ^ Two Ocean Pass, National Natural Landmarks
  4. ^ Davis, Lora (2000). Wyoming's Continental Divide Trail. Westcliffe Publishers, Inc. pp. 242–249. ISBN 1-56579-332-3.
  5. ^ Carlson, Annie. "Two Ocean Pass—A place where fish can swim over the Continental Divide!". usgs.gov. Retrieved March 22, 2022.
  6. ^ Koel, Todd M.; Detjens, Colleen R.; Zale, Alexander V. (2020). "Two Ocean Pass: An alternative hypothesis for the invasion of Yellowstone Lake by lake trout, and implications for future invasions". Water. 12 (6): 1629. doi:10.3390/w12061629.
  7. ^ "xmACIS2". National Oceanic and Atmospheric Administration. Retrieved October 14, 2023.
  8. ^ "Two Ocean Plateau, Wyoming 1991-2020 Monthly Normals". Retrieved October 14, 2023.
  9. ^ Barton Warren Evermann: Two-Ocean Pass. In: Popular Science Monthly. V. 47, 1895, pp. 175–186

External links[edit]

Wikimedia Commons has media related to Two Ocean Pass.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Two_Ocean_Pass&oldid=1209538823"