The GNWT phones, websites and email will not be accessible starting Saturday, May 15 at 10:30pm through Sunday, May 16 at 7:00am. 9-1-1, 811, and phones for Stanton Territorial Hospital and Inuvik Hospital will continue to work.

Highways, Ferries, and Winter Roads

Winter Roads Average Open/Close Dates

For current open and close information, visit our highway conditions page.

For a list of historical open and close dates, click here.

Updated November 9, 2020

Winter Roads

  • Colville Lake Winter Road (Mackenzie Valley Winter Road)
    20-year average opening date: December 27
    20-year average closing date: April 1
  • Délįne Winter Road (Mackenzie Valley Winter Road)
    20-year average opening date: January 15
    20-year average closing date: March 31
  • Gamètì Winter Road
    20-year average opening date: February 19
    20-year average closing date: April 15
  • Nahanni Butte Winter Road
    20-year average opening date: December 10
    20-year average closing date: April 1
  • Norman Wells to Fort Good Hope Winter Road (Mackenzie Valley Winter Road)
    20-year average opening date: December 22
    20-year average closing date: April 1
  • Sambaa K'e Winter Road
    20-year average opening date: December 22
    20-year average closing date: March 28
  • Tulita to Norman Wells Winter Road (Mackenzie Valley Winter Road)
    20-year average opening date: December 25
    20-year average closing date: April 1
  • Wekweètì Winter Road
    10-year average opening date: March 5
    10-year average closing date: April 13
  • Whatì Winter Road
    20-year average opening date: January 28
    20-year average closing date: April 15
  • Wrigley to Tulita Winter Road (Mackenzie Valley Winter Road)
    20-year average opening date: December 23
    20-year average closing date: March 28

Ice Roads

  • Aklavik Ice Road
    20-year average opening date: December 20
    20-year average closing date: April 29
  • Dettah Ice Road
    20-year average opening date: December 24
    20-year average closing date: April 16

Ice Crossings

  • Liard River Ice Crossing at Fort Simpson
    20-year average opening date: November 28
    20-year average closing date: April 22
  • Mackenzie River Ice Crossing at Tsiighetchic
    20-year average opening date: November 24
    20-year average closing date: May 5
  • Mackenzie River Ice Crossing (Ndulee)
    20-year average opening date: December 15
    20-year average closing date: April 21
  • Peel River Ice Crossing
    20-year average opening date: November 16
    20-year average closing date: May 6

Private Mining Road

  • Tibbitt-Contwoyto Winter Road
    20-year average opening date: January 30
    20-year average closing date: March 31