Observatory Inlet[3] is an inlet on the North Coast of British Columbia. It is a northward extension of Portland Inlet, other branches of which include the Portland Canal. The entrance of Observatory Inlet, from Portland Inlet, lies between Ramsden Point and Nass Point. Ramsden Point also marks, to the west, the entrance of Portland Canal.[4][5]
This conservancy was designated in Spring 2006, access to the conservancy is primarily by boat with a good anchorage in Stagoo Inlet. The Nisga’a have historically collected food and materials from Ksi Xts’at’kw/Stagoo, the conservancy is also part of the traditional territory of the Metlakatla.[6]
Observatory Inlet was named by George Vancouver in 1793, because he set up his observatory on the shore of the inlet, at Salmon Cove, in order to calibrate his chronometers. His two vessels, HMS Discovery and HMS Chatham, stayed in Salmon Cove from July 23 to August 17, 1793. During this time a boat surveying expedition under Vancouver himself explored Behm Canal.
Observatory Inlet has two main arms, the northwest and longer one being named Hastings Arm, fed by the Kshwan River, and Alice Arm, an east arm, fed by the Kitsault River. Hastings Arm is approximately 30km (19mi) in length, and runs on a nearly true north–south axis, Alice Arm is approximately 25km (16mi) in length and bends sharply, running on a roughly northeast–southwest axis.[9]
From their merger to the mouth of Observatory Inlet is approximately 50km (31mi) in length, running south-southwest to its merger with the Portland Canal just southwest of Nass Bay, which is an arm of Observatory Inlet and the saltwater outer estuary of the Nass River.
Of many islands in the inlet, Granby Peninsula[10] and Brooke Island[11] are located at the intersection of the Hastings and Alice Arms. Granby Peninsula and Granby Bay are named for Granby Consolidated Mining, Smelting and Power Company, which built and operated the mining town of Anyox, located on Granby Bay.[12]
Settlements
At the aperture of Nass Bay is the community of Arrandale on its southern point, with the community of Ging̱olx (Kincolith) located on its northern shore just inside the bay at the mouth of the Kincolith River.[13] Also entering the Nass estuary just to its east is the Iknouk River.
The smelter ghost town of Anyox is located on the west side of the inlet at Granby Bay, which marks the beginning of Hastings Arm.[14]
The locality of Alice Arm, which is a former steamer landing and on the west bank of the mouth of the Kitsault River, is located at the head of the inlet's Alice Arm projection.[15]
The former mining town of Kitsault is located 2.5km (1.6mi) due south of Alice Arm, on the far side of the inlet's shoreline. With no rail nor road connection to the rest of British Columbia, these mining towns relied on shipping through Observatory Inlet.[16]
Adjacent to the community of Alice Arm, but on the east side of the Kitsault River, is the Nisga'a village of Gits'oolh (formerly Gitzault Indian Reserve No. 24).[17]
↑"Ksi xts'at'kw/Stagoo Conservancy". BC Parks. British Columbia Ministry of Environment and Climate Change Strategy. Retrieved 5 February 2026.
↑Rambold, P. S.; Stucchi, D. J. (1983). An Analysis of the Alice Arm 'Crash Program Data – Summer 1981(PDF). Department of Fisheries and Oceans (Report). Canadian Technical Report of Hydrography and Ocean Sciences. Vol.25. Sidney, British Columbia: Institute of Ocean Sciences.
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