
Diversion Tunnel
Also known as Flood Control Project on Lowell Creek at Seward Alaska (AHRS
About Diversion Tunnel
Diversion Tunnel, at At Lowell Creek, was added to the National Register of Historic Places on Nov 23, 1977: the first place in Seward to be listed. Only 62 of Alaska’s 378 listings are older. The Register lists it for its engineering and social history, at the state level. The listing covers 8.9 acres.
What it isDiversion tunnel in Seward, Alaska. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 24 MB · National Archives↗Make it a walk: 5 landmarks in about 20 minutes
At Lowell Creek, Seward · about 0.7 miles on foot, as the crow flies















5 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Diversion Tunnel
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Diversion Tunnel
Is Diversion Tunnel on the National Register of Historic Places?
Yes. It was added on Nov 23, 1977 (Register number 77001577).
Is Diversion Tunnel a National Historic Landmark?
No. It is on the National Register; Alaska has 33 National Historic Landmarks.
Can you visit Diversion Tunnel?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Diversion Tunnel?
In its National Register nomination, the form that put it on the Register: a 24 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 75325568 · Wikidata. Map tiles © OpenStreetMap contributors.



