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Alerts

Forest Alerts

  • Harmful Algal Blooms

    Harmful Algae Blooms may be present in lakes, streams and rivers on the Lassen National Forest and surrounding areas. For resources, safety tips, frequently asked questions, local bloom reports and to report possible blooms, visit the State of California Harmful Algal Blooms Portal.Current…
    Alert Start Date: November 1, 2026
  • Prescribed Fire Operations

    Fire and fuels crews on the Lassen National Forest will take advantage of appropriate weather, relative humidity, and fuels conditions to conduct prescribed burns throughout the fall and winter. We post Prescribed Fire notices on our Facebook page and regularly update our Prescribed Fire…
    Alert Start Date: October 12, 2026
  • Lake Almanor Recreational Trail Restriction

    Forest Order limits the use of motor vehicles as well as saddle animals, pack animals, and draft animals, on the Lake Almanor Recreation Trail.
    Alert Start Date: June 26, 2026
    Forest Order: #06-26-03
  • Lake Almanor Area Camping Restriction

    Forest Order limits camping in the Lake Almanor Overnight Use Closure Area.
    Alert Start Date: June 26, 2026
    Forest Order: #06-26-04
  • Lassen National Forest Camping Restrictions

    Forest Order limits the number of days and individuals camping on the Lassen National Forest. This Order prohibits camping for a period longer than 14 days in any developed campground, and 14 days not to exceed an aggregate of 30 days in any undeveloped location during a calendar year. It also…
    Alert Start Date: June 26, 2026
    Forest Order: #06-26-02
  • Forest Road Closure Order

    The Boundary of the Forest Road Closure begins at the Antelope Campground and proceeds as follows:1. Starting at Antelope Campground on Ponderosa Way,2. then continues South along Ponderosa Way to the intersection of 27N08 and 27N21 roads at “The Narrows”,3. then continues Southwest from “The…
    Alert Start Date: March 19, 2026
    Forest Order: #06-26-01
  • SAFETY ALERT - South Antelope Bridge out, Do Not Cross

    Damage to the underside of South Antelope Bridge on Ponderosa Way was discovered by Forest Service Road Crews. Engineering staff are currently assessing the damage. At this time the bridge is unsafe to cross, and a barricade has been placed on both sides. We will update here when more information…
    Alert Start Date: February 2, 2026