Freshwater Timing Windows Identified for the Yukon

Time work to occur during the timing windows of reduced risk identified for the Yukon.

When multiple fish species are present, adhere to the most precautionary timing window.

This table indicates the appropriate work timing windows for river drainages by species
Location Species Timing Windows
Start date Finish date
Alsek Drainage Chinook Salmon,
Sockeye Salmon
May 15 June 15
Coho Salmon May 15 Sept 1
Rainbow Trout July 15 April 15
Lake Trout, 
Dolly Varden
Apr 15 Sept 1
Arctic Grayling, Northern Pike July 1 April 15
Liard River Basin Lake Trout, 
Whitefish Species
Apr 15 Sept 1
Arctic Grayling June 15 April 15
Bull Trout May 1 Sept 1
Yukon Drainage 
upstream of Hootalinqua (including Teslin River)
Chinook Salmon June 1 July 1
Lake Trout, Whitefish Species (includes Squanga Whitefish) Apr 1 Sept 1
Arctic Grayling, Northern Pike July 1 April 15
Yukon Drainage 
downstream of Hootalinqua (including Mainstem to border, and Pelly, White, Stewart and all tributaries)
Chinook Salmon June 10 July 5
Chum Salmon June 1 Aug 15
Lake Trout, Whitefish Species Apr 15 Sept 1
Arctic Grayling July 1 April 15
Yukon Drainage - Porcupine Chinook Salmon June 1 July 5
Chum Salmon June 1 Sept 1
Arctic Grayling, Northern Pike July 15 May 1
Whitefish Species May 1 Sept 1
Peel River Basin(upstream of Aberdeen Falls) Dolly Varden May 1 Sept 1
Arctic Grayling July 15 May 1