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Lassen Volcanic National Parksnowplow moving snow at Bumpass Hell parking area
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Lassen Volcanic National Park
Winter Road Closures

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

 
current road opening status map
 
 


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


closeup of white flowers of smelowskia flower  

Did You Know?
The Lassen Smelowskia flower only grows within Lassen Volcanic National Park, with the largest population on Lassen Peak, and is considered a Threatened and Endangered Species.

Last Updated: June 12, 2009 at 14:28 EST