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| Location = [[Montana]], {{USA}}
| Location = [[Montana]], {{USA}}
| Range = [[Rocky Mountains]]
| Range = [[Rocky Mountains]]
| Coordinates = {{coord|46|38.18|N|112|18.5|W|type:pass}}
| Coordinates = {{Coord|46|38.18|N|112|18.5|W|type:pass}}
| Topographic map =
| Topographic map =
| Traversed by = Austin-Mullan Pass Road and [[Montana Rail Link]] (via Mullan Pass Tunnel).
| Traversed by = Austin-Mullan Pass Road and [[Montana Rail Link]] (via Mullan Pass Tunnel).
}}
}}


The '''Mullan Pass''' is a [[mountain pass]] in the [[Rocky Mountains]] of [[Montana]] in the [[United States]]. It sits on the [[continental divide]] on the border between [[Powell County, Montana]] and [[Lewis and Clark County, Montana]], {{convert|13.25|mi}} west of [[Helena, Montana]] in [[Helena National Forest]] at a height of {{convert|5902|ft}}.
The '''Mullan Pass''' is a [[mountain pass]] in the [[Rocky Mountains]] of [[Montana]] in the [[United States]]. It sits on the [[continental divide]] on the border between [[Powell County, Montana]] and [[Lewis and Clark County, Montana]], {{convert|13.25|mi}} west of [[Helena, Montana]] in [[Helena National Forest]] at a height of {{convert|5902|ft}}.


The [[Northern Pacific Railway]] used the pass for its line from [[Logan, Montana]] to [[Garrison, Montana]] via [[Helena, Montana|Helena]] built in 1883. The line was the NP’s primary freight route, and was also used by their secondary passenger train, the ''[[Mainstreeter]]''. The NP also built a line over [[Homestake Pass]], which was used by their primary passenger train, the ''[[North Coast Limited]]''. The rail line over Mullan Pass is currently operated by [[Montana RailLink]]. The line crosses under the pass and [[continental divide]] at an elevation of {{convert|5566|ft}} via the {{convert|3896|ft|sing=on}} long Mullan Tunnel.
The [[Northern Pacific Railway]] used the pass for its line from [[Logan, Montana]] to [[Garrison, Montana]] via [[Helena, Montana|Helena]] built in 1883. The line was the NP’s primary freight route, and was also used by their secondary passenger train, the ''[[Mainstreeter]]''. The NP also built a line over [[Homestake Pass]], which was used by their primary passenger train, the ''[[North Coast Limited]]''. The rail line over Mullan Pass is currently operated by [[Montana RailLink]]. The line crosses under the pass and [[continental divide]] at an elevation of {{convert|5566|ft}} via the {{convert|3896|ft|sing=on}} long Mullan Tunnel.
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The pass was named after [[John Mullan (road builder)|Lieutenant John Mullan]], the army engineer who first crossed the pass on March 22, 1854 and later supervised construction of [[Mullan Road]], the first road over the pass, in 1860.
The pass was named after [[John Mullan (road builder)|Lieutenant John Mullan]], the army engineer who first crossed the pass on March 22, 1854 and later supervised construction of [[Mullan Road]], the first road over the pass, in 1860.


== Collapse ==
==Collapse==
In July 2009 the tunnel had part of the roof collapse during renovation work designed to both widen the tunnel and make it taller. The tunnel reopened to train traffic on August 14, 2009.
In July 2009 the tunnel had part of the roof collapse during renovation work designed to both widen the tunnel and make it taller. The tunnel reopened to train traffic on August 14, 2009.


== External Links ==
==External links==
[http://www.helenair.com/articles/2009/08/04/state/top/60st_090804_mullan.txt Continued problems in Mullan Tunnel plague MRL]<br />
* [http://www.helenair.com/articles/2009/08/04/state/top/60st_090804_mullan.txt Continued problems in Mullan Tunnel plague MRL]<br />
[http://billingsgazette.com/news/state-and-regional/montana/article_b103501d-7ef3-5dd7-a9f5-77a087fab466.html MRL plans to upgrade the Mullan Tunnel]
* [http://billingsgazette.com/news/state-and-regional/montana/article_b103501d-7ef3-5dd7-a9f5-77a087fab466.html MRL plans to upgrade the Mullan Tunnel]



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<gallery>
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</gallery>
</gallery>


[[Category:Mountain passes of Montana]]
{{montana-geo-stub}}
[[Category:Northern Pacific Railway]]




{{montana-geo-stub}}
[[Category:Mountain passes of Montana]]
[[Category:Northern Pacific Railway]]

Revision as of 18:35, 16 October 2009

Mullan Pass

The Mullan Pass is a mountain pass in the Rocky Mountains of Montana in the United States. It sits on the continental divide on the border between Powell County, Montana and Lewis and Clark County, Montana, 13.25 miles (21.32 km) west of Helena, Montana in Helena National Forest at a height of 5,902 feet (1,799 m).

The Northern Pacific Railway used the pass for its line from Logan, Montana to Garrison, Montana via Helena built in 1883. The line was the NP’s primary freight route, and was also used by their secondary passenger train, the Mainstreeter. The NP also built a line over Homestake Pass, which was used by their primary passenger train, the North Coast Limited. The rail line over Mullan Pass is currently operated by Montana RailLink. The line crosses under the pass and continental divide at an elevation of 5,566 feet (1,697 m) via the 3,896-foot (1,188 m) long Mullan Tunnel.

The pass was named after Lieutenant John Mullan, the army engineer who first crossed the pass on March 22, 1854 and later supervised construction of Mullan Road, the first road over the pass, in 1860.

Collapse

In July 2009 the tunnel had part of the roof collapse during renovation work designed to both widen the tunnel and make it taller. The tunnel reopened to train traffic on August 14, 2009.

External links