Mountain pass closure and opening dates
Historic opening and closing dates for Chinook, Cayuse and North Cascades passes
Chinook Pass SR 410
Year |
Opened |
Closed |
---|---|---|
2021 |
May 28 |
Nov 9 |
2020 |
June 4 |
Nov 12 |
2019 |
May 23 |
Oct. 19 - temporary |
2018 |
June 11 |
Nov. 20 |
2017 |
June 9 |
Nov. 7 |
2016 |
May 17 |
Nov. 29 |
2015 |
April 2 |
Nov. 16 |
2014 |
May 23 |
Nov. 24 |
2013 |
May 17 |
Dec. 2 |
2012 |
May 25 |
Nov. 12 |
2011 |
June 23 |
Nov. 11 |
2010 |
May 28 |
Nov. 16 |
2009 |
May 22 |
Nov. 8 |
2008 |
June 5 |
Dec. 15 |
2007 |
May 24 |
Nov. 29 |
2006 |
May 25 |
Nov. 12 |
2005 |
Apr. 28 |
Oct. 25 |
2004 |
May 6 |
Dec. 7 |
2003 |
May 14 |
Nov. 17 |
2002 |
May 31 |
Dec. 10 |
2001 |
May 10 |
Nov. 26 |
2000 |
May 18 |
Nov. 27 |
1999 |
Jul. 1 |
Nov. 30 |
1998 |
May 20 |
Nov. 20 |
1997 |
Jun. 12 |
Nov. 19 |
1996 |
May 23 |
Nov. 16 |
1995 |
Jun. 7 |
Nov. 7 |
1994 |
May 27 * |
Oct. 31 |
1993 |
May 28 * |
Nov. 18 ** |
1992 |
May 8 |
Nov. 21 |
1991 |
May 24 |
Nov. 19 |
1990 |
May 17 |
Nov. 21 |
1989 |
May 26 |
Nov. 28 |
1988 |
May 12 |
Nov. 10 |
1987 |
May 13 |
Nov. 23 |
1986 |
May 22 |
Nov. 18 |
1985 |
May 22 |
Nov. 9 |
1984 |
May 24 |
Nov. 5 |
1983 |
May 25 |
Nov. 14 |
1982 |
Jun. 10 |
Nov. 16 |
1981 |
Apr. 29 |
Nov. 20 |
1980 |
May 21 |
Nov. 17 |
1979 |
May 25 |
Nov. 24 |
1978 |
May 25 |
Nov. 18 |
1977 |
N/A |
Nov. 15 |
1976 |
Jun. 11 |
None |
1975 |
Jun. 13 |
Oct. 28 |
1974 |
Jul. 12 |
Dec. 18 |
1973 |
Apr. 5 |
Nov. 9 |
1972 |
Jun. 23 |
Nov. 9 |
1971 |
Jun. 18 |
Nov. 1 |
1970 |
May 29 |
Nov. 11 |
1969 |
May 27 |
Dec. 10 |
1968 |
May 10 |
Nov. 22 |
1967 |
Jun. 3 |
Nov. 28 |
1966 |
May 26 |
Nov. 16 |
1965 |
May 28 |
Nov. 24 |
1964 |
Jun. 20 |
Nov. 22 |
1963 |
May 28 |
Nov. 7 |
1962 |
May 20 |
Nov. 25 |
1961 |
Jun. 6 |
Nov. 11 |
1960 |
May 25 |
Nov. 15 |
1959 |
May 22 |
Nov. 19 |
1958 |
May 24 |
Nov. 9 |
1957 |
May 10 |
Nov. 27 |
1956 |
Jun. 13 |
Nov. 16 |
1955 |
Jun. 6 |
Nov. 17 |
1954 |
Jun. 19 |
Dec. 5 |
1953 |
May 30 |
Nov. 21 |
1952 |
May 16 |
Dec. 4 |
1951 |
May 19 |
Nov. 11 |
1950 |
Jun. 7 |
Nov. 15 |
1949 |
May 27 |
Dec. 9 |
1948 |
Jun. 12 |
Nov. 3 |
1947 |
May 15 |
Nov. 5 |
1946 |
Jun. 27 |
Nov. 1 |
1945 |
Jun. 2 |
Nov. 9 |
1944 |
May 20 |
Nov. 23 |
1943 |
Jun. 18 |
Nov. 4 |
1942 |
May 3 |
Nov. 3 |
1941 |
Apr. 15 |
Dec. 15 |
1940 |
May 15 |
Nov. 8 |
1939 |
May 7 |
Dec. 15 |
1938 |
May 28 |
Nov. 16 |
1937 |
Jun. 1 |
Nov. 12 |
1936 |
May 23 |
Dec. 8 |
1935 |
May 21 |
Nov. 15 |
* Due to Construction
** SR 410 North of Chinook Pass Closed 11/1/93 Due to Construction
*** Temporary Closure Date
Cayuse Pass SR 123
Year |
Opened |
Closed |
---|---|---|
2021 |
May 28 |
Nov 9 |
2020 |
June 4 |
Nov. 12 |
2019 |
May 23 - reopened - Oct. 20 |
Oct. 19 - temporary |
2018 |
June 11 |
Nov. 20 |
2017 |
May 19 |
Nov. 7 |
2016 |
April 29 |
Nov. 29 |
2015 |
April 2 |
Nov. 16 |
2014 |
May 16 |
Nov. 24 |
2013 |
May 3 |
Nov. 20 |
2012 |
May 8 |
Nov. 12 |
2011 |
May 26 |
Nov. 11 |
2010 |
April 30 |
Nov. 16 |
2009 |
May 15 |
Nov. 8 |
2008 |
May 23 |
Dec. 15 |
2007 |
Sept. 29 # |
Nov. 29 |
2006 |
Jun. 30 |
Nov. 12 |
2005 |
Apr. 21 |
Nov. 4 |
2004 |
Apr. 30 |
Dec. 6 |
2003 |
Apr. 18 |
Nov. 18 |
2002 |
May 6 |
Dec. 12 |
2001 |
Apr. 20 |
Nov. 26 |
2000 |
Apr. 20 |
Nov. 28 |
1999 |
Jun. 3 |
Nov. 30 |
1998 |
Apr. 25 |
Nov. 23 |
1997 |
May 23 |
Nov. 20 |
1996 |
Jun. 21# |
Oct. 7## |
1995 |
May 24 |
Dec. 4 |
1994 |
May 23 * |
Oct. 31 |
1993 |
May 28 * |
Nov. 18 |
1992 |
Mar. 30 |
Nov. 30 |
1991 |
May 3 |
Dec. 7 |
1990 |
May 17 |
Nov. 24 |
1989 |
May 1 |
Jan. 4, 1990 |
1988 |
Apr. 15 |
Nov. 17 |
1987 |
Apr. 3 |
Nov. 30 |
1986 |
Apr. 10 |
Nov. 28 |
1985 |
Apr. 19 |
Nov. 17 |
1984 |
Apr. 6 |
Nov. 16 |
1983 |
Apr. 7 |
Nov. 24 |
1982 |
Apr. 30 |
Dec. 2 |
1981 |
Mar. 18 |
Nov. 30 |
1980 |
Apr. 21 |
Dec. 4 |
1979 |
Apr. 23 |
Jan. 8, 1980 |
1978 |
Apr. 3 |
Dec. 10 |
1977 |
N/A |
Dec. 2 |
1976 |
May 14 |
None |
1975 |
Apr. 29 |
Nov. 30 |
1974 |
May 29 |
Dec. 30 |
1973 |
Not available |
Dec. 12 |
* Due to Construction
*** Temporary Closure Date
# Due to Winter Storm Damage
## For Repair of Winter Storm Damage
North Cascades SR 20
Year |
Opened |
Closed |
---|---|---|
2021 |
May 5 |
Nov 15 |
2020 |
May 12 |
Nov. 16 |
2019 |
April 18 |
Dec. 11 |
2018 |
May 11 |
Nov. 28 |
2017 |
May 16 |
Nov. 10 |
2016 |
April 22 |
Nov. 18 |
2015 |
April 3 |
Nov. 12 |
2014 |
May 8 |
Nov. 24 |
2013 |
April 16 |
Dec. 3 |
2012 |
May 10 |
Nov. 20 |
2011 |
May 25 |
Nov. 21 |
2010 |
April 16 |
Dec. 1 |
2009 |
April 24 |
Nov. 17 |
2008 |
May 1 |
Dec. 15 |
2007 |
April 26 |
Dec. 4 |
2006 |
May 1 |
Nov. 13 |
2005 |
Mar. 10 |
Nov. 3 |
2004 |
Apr. 8 |
Dec. 13 |
2003 |
Apr. 14 |
Oct 17 |
2002 |
May 7 |
Dec. 17 |
2001 |
Mar. 22 |
Nov. 19 |
2000 |
Mar. 30 |
Nov. 28 |
1999 |
May 5 |
Dec. 6 |
1998 |
Apr. 2 |
Nov. 20 |
1997 |
May 7 |
Dec. 16 |
1996 |
Apr. 24 |
Nov. 19 |
1995 |
Apr. 28 |
Nov. 5 |
1994 |
Apr. 7 |
Oct. 31 |
1993 |
Mar. 24 |
Dec. 8 |
1992 |
Apr. 9 |
Dec. 8 |
1991 |
May 2 |
Nov. 17 |
1990 |
Apr. 18 |
Nov. 12 |
1989 |
Apr. 21 |
Jan. 3, 1990 |
1988 |
Apr. 20 |
Nov. 19 |
1987 |
Apr. 15 |
Dec. 1 |
1986 |
Apr. 11 |
Nov. 26 |
1985 |
Apr. 12 |
Nov. 15 |
1984 |
Apr. 4 |
Nov. 2 |
1983 |
Apr. 20 |
Nov. 24 |
1982 |
May 6 |
Dec. 2 |
1981 |
Apr. 24 |
Nov. 30 |
1980 |
Apr. 18 |
Nov. 27 |
1979 |
Apr. 10 |
Dec. 15 |
1978 |
Apr. 21 |
Dec. 11 |
1977 |
N/A |
Nov. 23 |
1976 |
May 21 |
None |
1975 |
May 16 |
Nov. 24 |
1974 |
Jun. 14 |
Nov. 21 |
1973 |
Apr. 27 |
Nov. 21 |
1972 |
Sept. 2 |
Nov. 26 |
* Due to Construction
*** Temporary Closure Date
# Due to Winter Storm Damage
## For Repair of Winter Storm Damage
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