Portland Observatory

Portland Observatory (HMY13)

Location: Portland, ME 04101 Cumberland County
Buy Maine State flags at Flagstore.com!
Country: United States of America
Buy United States of America flags at Flagstore.com!

N 43° 39.92', W 70° 14.896'

  • 0 check ins
  • 0 favorites
has been designated a
National Historic Landmark
This site possesses national significance
in commemorating the history of the
United States of America.
The Observatory is the nation's only remaining maritime signal tower. It served as a communication station for Portland's bustling harbor brom 1807 to 1923, announcing the arrival of ships with a unique system of colorful signal flags.

National Historic Civil Engineering Landmark
Built 1807

One of the earliest marine signal stations in the United States, this tower is unique in its engineering design and construction and contributed to the prosperity of Portland harbor as a vital center of maritime commerce during the "Golden Age of Sail"
HM NumberHMY13
Series This marker is part of the National Historic Landmarks series
Year Placed2006
Placed ByNational Park Service and Maine Section, American Society of Civil Engineers
Marker ConditionNo reports yet
Date Added Sunday, September 28th, 2014 at 2:27am PDT -07:00
Sorry, but we don't have a picture of this historical marker yet. If you have a picture, please share it with us. It's simple to do. 1) Become a member. 2) Adopt this historical marker listing. 3) Upload the picture.
Locationbig map
UTM (WGS84 Datum)19T E 399360 N 4835460
Decimal Degrees43.66533333, -70.24826667
Degrees and Decimal MinutesN 43° 39.92', W 70° 14.896'
Degrees, Minutes and Seconds43° 39' 55.20" N, 70° 14' 53.76" W
Driving DirectionsGoogle Maps
Area Code(s)207
Closest Postal AddressAt or near 138 Congress St, Portland ME 04101, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

Is this marker missing? Are the coordinates wrong? Do you have additional information that you would like to share with us? If so, check in.

Check Ins  check in   |    all

Have you seen this marker? If so, check in and tell us about it.

Comments 0 comments

Maintenance Issues
  1. What historical period does the marker represent?
  2. What historical place does the marker represent?
  3. What type of marker is it?
  4. What class is the marker?
  5. What style is the marker?
  6. Does the marker have a number?
  7. This marker needs at least one picture.
  8. Can this marker be seen from the road?
  9. Is the marker in the median?