Same with Fort Rodd Hill. Though the RN would've stationed mostly few rubbish ships there, and that only until the Russians are out of Alaska in 1867.Halifax because you have to fight the RN to get there.
PoW fort was taken by a French force of one Ship of the Line and two frigates that sailed into Hudson's Bay in the 1790s, https://en.wikipedia.org/wiki/Hudson_Bay_expeditionPrince of Wales. No other nation can project power that far.