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{{Short description|Lighthouse in southeastern Alaska, US}}
{{Use American English|date=January 2025}}
{{Use mdy dates|date=August 2023}}
{{Infobox lighthouse
| image = USCGtreepoint1935.JPG
| caption = Current lighthouse, completed in 1935
| location = [[Revillagigedo Channel]], [[Alaska]]
| coordinates = {{coord|54|48|10|N|130|56|02|W|region:US-AK_type:landmark|display=inline,title}}
| yearlit = 1935 (current)
| yearbuilt = 1905 (first)
| automated = 1969
| yeardeactivated =
| foundation = concrete
| construction = reinforced concrete tower
| shape = square tower with lantern attached to oil house
| marking = art deco architecture, <br>white tower, red lantern
| height = {{convert|58|ft|m}}
| focalheight = {{convert|86|ft|m}}
| lens = Fourth order [[Fresnel lens]] (original), [[VRB-25]] lens (current)
| range = {{convert|9|nmi}}
| characteristic = Fl W 6s.<br> obscured from 158° to 318°
| managingagent = United States Coast Guard<ref>{{Cite rowlett|ak|accessdate=2016-06-09}}</ref>
<ref>[http://www.uscg.mil/history/weblighthouses/LHAK.asp Alaska Historic Light Station Information & Photography] United States Coast Guard. Retrieved 9 June 2016</ref>
| module = {{Infobox NRHP
| name = Tree Point Lighthouse
| embed = yes
| nrhp_type = hd
| nocat = yes
| image =
| caption =
| nearest_city = [[Ketchikan, Alaska]]
| built = 1935
| architect = [[U.S. Lighthouse Service]]; D.A. Chase; Edwin Laird
| architecture = [[Art Deco architecture|Art Deco]], [[Classical Revival architecture|Classical Revival]], et al.
| added = October 27, 2004
| area = {{convert|76.5|acre}}
| mpsub = Light Stations of the United States MPS
| refnum = 04001177<ref name="nris">{{NRISref|version=2009a}}</ref>
| designated_other1 = Alaska Heritage Resources Survey
| designated_other1_name = Alaska Heritage Resources Survey
| designated_other1_color = #A8EDEF
| designated_other1_abbr = AHRS
| designated_other1_number = XPR-006
| designated_other1_num_position = bottom
}}
}}
The '''Tree Point Light''' is a [[lighthouse]] located adjacent to [[Revillagigedo Channel]] in [[Southeast Alaska]], United States. It is located near the southernmost point of mainland Alaska.

==History==
[[Image:USCGtreepoint1904.JPG|thumb|left|Original 1904 Lighthouse – [[USCG]] archive photo]]
The Lighthouse Board approved the construction of the Tree Point Lighthouse on April 24, 1903, and just over a year later the light was activated on April 30, 1904. The lighthouse was the first, and only lighthouse, to be built on mainland Alaska. In the early 1930s, the Bureau of Lighthouses authorized reconstruction of the station with reinforced concrete. Work began in 1933 and was completed in 1935. The 1935 lighthouse was equipped with a fourth-order Fresnel lens, which is now displayed at the Tongass Historical Museum in [[Ketchikan, Alaska]]. In 1969 it was automated. The Fresnel lens was replaced with a lens mounted outside the lantern room. In the summer of 1977 the lens on the gallery was replaced with a modern, solar-powered VRB-25 Vega lens placed back inside the lantern room.

The lighthouse was listed on the [[National Register of Historic Places]] as an historic district in 2004.<ref name=nris/> Its 2003 NRHP nomination stated that it was "the most intact [lighthouse] outpost in the southern section of Southeast Alaska. The listing includes the concrete light and fog-signal building built in 1935, one standing keeper residence, the two original oil houses, the later-period boathouse, and features of the water supply system. In addition, the tramway run is relatively intact." Additional features of a derrick and winch were deemed non-contributing, because they are relatively recent replacements.<ref name=nrhpdoc>{{cite web|url={{NRHP url|id=04001177}} |title=National Register of Historic Places Registration: Tree Point Lighthouse / Tree Point Light Station (AHRS Site No. XPR-006) |author=Robert M. Weaver |date=February 27, 2003 |publisher=National Park Service}} and {{NRHP url|id=04001177|title=accompanying five photos from 2002|photos=y}}</ref>

==See also==
{{stack|{{Portal|Alaska|Engineering}}}}
*[[List of lighthouses in the United States]]
*[[National Register of Historic Places listings in Ketchikan Gateway Borough, Alaska]]

==References==
{{reflist}}

==External links==
{{stack|{{Commons category|Tree Point Lighthouse}}}}
* {{Cite uscghist|AK}}
* [http://www.lighthousefriends.com/light.asp?ID=817 Lighthouse Friends — Tree Point Lighthouse]
* {{Cite rowlett|ak}}

{{Lighthouses of Alaska}}
{{NRHP in Alaska by borough and census area}}
{{National Register of Historic Places}}
{{authority control}}

[[Category:1904 establishments in Alaska]]
[[Category:Art Deco architecture in Alaska]]
[[Category:Historic districts on the National Register of Historic Places in Alaska]]
[[Category:Lighthouses completed in 1904]]
[[Category:Lighthouses completed in 1935]]
[[Category:Lighthouses on the National Register of Historic Places in Alaska]]
[[Category:Buildings and structures on the National Register of Historic Places in Ketchikan Gateway Borough, Alaska]]
[[Category:Octagonal buildings in the United States]]
[[Category:Tongass National Forest]]

{{US-lighthouse-stub}}

Tree Point Light - Revision history

imported>Panamitsu: add {{Use American English}} template