Tongass Narrows

Tongass Narrows
Name	Tongass Narrows
Location	Southeast Alaska
Type	Channel
Outflow	Pacific Ocean
Basin countries	United States

Tongass Narrows is a marine channel in Southeast Alaska connecting the waters near Juneau, Alaska, Ketchikan, Alaska, Gravina Island, and the Tongass National Forest. The Narrows lies within the Alexander Archipelago and serves as a maritime corridor between inland passages and the Pacific Ocean, adjacent to the Tongass National Forest and near the Alaska Panhandle. It is traversed by commercial, subsistence, and recreational vessels operating under authorities including the Alaska Department of Fish and Game, the United States Coast Guard, and the Alaska Department of Transportation and Public Facilities.

Geography

Tongass Narrows occupies a position in the Alexander Archipelago between Revillagigedo Island and Gravina Island, forming a sheltered channel that connects to the Tongass Passage and the Pacific Ocean. The Narrows lies within the maritime climate zone influenced by the Gulf of Alaska and the North Pacific Current, and is mapped by agencies such as the United States Geological Survey and the National Oceanic and Atmospheric Administration. Navigational characteristics are shaped by tidal regimes monitored by the National Ocean Service, seabed bathymetry surveyed by the NOAA Office of Coast Survey, and prevailing weather reported by the National Weather Service.

History

Indigenous peoples including the Tlingit used the channel as a travel and resource corridor prior to contact, interacting with neighboring groups and engaging in trade networks linked to places like Sitka and Wrangell. During the period of Russian America, the Narrows came under influence of the Russian-American Company before transfer of sovereignty under the Alaska Purchase to the United States of America. Commercial growth accelerated with the arrival of salmon canneries and the expansion of fishing industries tied to ports such as Ketchikan, while federal and territorial infrastructure projects during the 20th century involved the U.S. Navy, the United States Coast Guard, and the Alaska Railroad insofar as regional logistics. More recent developments have included proposals and controversies around infrastructure such as bridges and airports involving entities like the Federal Aviation Administration and regional governments.

Ecology and Environment

The Narrows lies adjacent to ecosystems within the Tongass National Forest, supporting marine and terrestrial linkages that include habitats for Pacific salmon, herring, bald eagles, and marine mammals such as harbor seals and humpback whales. Water quality and habitat condition are influenced by watershed inputs from islands and inlets studied by researchers at institutions like the University of Alaska Fairbanks and laboratories affiliated with the National Oceanic and Atmospheric Administration. Vegetation on nearby shores is typified by temperate rainforest communities found throughout the Tongass National Forest, with species inventories comparable to other Southeast Alaska sites documented by the United States Forest Service. Climate change impacts reported by the Intergovernmental Panel on Climate Change intersect with regional observations compiled by the Alaska Climate Research Center and management agencies concerning sea level, ocean acidification, and shifting phenology.

Economy and Transportation

Tongass Narrows functions as a commercial marine corridor supporting industries centered in Ketchikan, including commercial fishing, fish processing, and maritime services connected to firms and cooperatives operating out of regional ports linked to the Alaska Marine Highway ferry network and private operators. Local transportation infrastructure interfaces with Ketchikan International Airport on Gravina Island and ferry and water taxi services coordinated with the Alaska Marine Highway System and the United States Army Corps of Engineers for navigational maintenance. Shipping, tug-and-barge operations, and seasonally high tourist vessel traffic involve companies and regulators such as the Crowley Maritime Corporation, the United States Coast Guard, and regional port authorities, while economic planning engages stakeholders including the Ketchikan Gateway Borough and state agencies.

Recreation and Tourism

Recreational uses include sport fishing for king salmon and coho salmon, wildlife viewing for species like bald eagles and sea otters, and guided eco-tours operated by local outfitters in Ketchikan and surrounding communities. Tourism flows integrate with cruise ship itineraries of companies that call on Southeast Alaska ports, coordinating with entities like the Cruise Lines International Association and local visitor bureaus. Kayaking, boating, and shoreline hiking connect with trail networks managed in concert with the United States Forest Service and municipal recreation departments, while cultural tourism engages artists and organizations from Tlingit communities and regional museums such as the Totem Heritage Center.

Conservation and Management

Conservation and resource management involve federal and state agencies including the United States Forest Service, the National Oceanic and Atmospheric Administration, the Alaska Department of Fish and Game, and tribal governments representing Tlingit communities. Initiatives address habitat protection, sustainable fisheries overseen by bodies like the North Pacific Fishery Management Council, and navigation safety coordinated through the United States Coast Guard and local harbor authorities. Collaborative programs and environmental assessments have been conducted with participation from academic institutions such as the University of Alaska Southeast and nongovernmental organizations active in Alaska conservation, working with legal frameworks established under statutes including the Alaska National Interest Lands Conservation Act and federal marine policies.

Category:Straits of Alaska Category:Ketchikan Gateway Borough, Alaska