Lassen Volcanic National Park - Winter Road Closures (U.S. National Park Service)

Main Park Road (Hwy. 89 which travels through the park)

Currently the Main Park Road is OPEN (see map below). Intermittent closures may occur, please call 530-595-4480 for the most up-to-date information.
The road opened on June 4.
Read the 2009 Spring Road Opening Log
On average the park road closes due to snow in November and remains closed through mid-June. Spring clearing operations begin in April.

Butte Lake Road

Warner Valley Road

Juniper Lake Road

Spring Road Opening Dates - 1980 to present

Year	Date Plowing Began From Southwest	Date Road Opened	Date Road Closed	Comments
1980	April 20	May 29	November 21
1981	April 20	May 21	November 3
1982	April 19	June 18	October 25
1983	April 18	July 2	November 10
1984	April 23	June 4	October 28
1985	April 14	May 18	October 21
1986	April 7	June 7	November 24
1987	April 20	May 15	November 13
1988	April 2	May 20	November 7
1989	April 3	June 6	October 23
1990	April 1	April 28	November 14
1991	April 7	May 24	October 22
1992	April 6	May 14	October 29
1993	April 12	June 28	November 10
1994	April 3	May 20	November 7
1995	March 19	July 21	November 21
1996	April 1	June 12	October 18
1997	April 7	June 5	November 14
1998	April 5	July 12	November 10
1999	April 12	June 11	November 19
2000	April 3	June 2	November 17
2001	April 2	May 10	November 15
2002	April 1	May 22	November 13
2003	March 26	May 23	November 7
2004	March 11	May 27	October 28
2005	April 4	June 2	November 8
2006	April 3	July 6	November 11
2007	April 2	May 18	December 6
2008	March 31	May 18	December 12
2009	April 13	June 4