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Live · updated todayTypical peak look

Lassen Volcanicwildflowers

No reports yet this season for Lassen Volcanic National Park.

Local timing
May 21–Sep 30
The National Park Service says Lassen's wildflowers appear from late May in the lowest areas through September on Lassen Peak. General timing for this place: not a peak date, and not a forecast.

Next 7 days

  • Windy · winds up to 24 mphTonight, Tuesday, Tuesday Night, Wednesday

National Weather Service forecast, issued Mon 5:00 AM (Eastern). Frost: a low of 36°F or less; wind: 20 mph or more; rain: 60% chance or more.

Lassen Volcanic National Park through the year

  • Deepest snowpackApr
  • WildflowersNowMay–Sep
  • Wildfire season (smoke possible)NowJul–Oct
  • All facilities openNowJul–Sep
  • Main park road closed to carsNov–Apr

Best spots around Lassen Volcanic National Park

  • Manzanita Lake5,900–6,500 ft: flowers from late May through early July
  • Paradise MeadowsPaintbrush, clover, lupine and gentian at the end of the Hat Lake trail, 2.8 miles round trip
  • Summit Lake6,500–7,500 ft: late June through early August
  • Lassen Peak7,500–8,000 ft: late July through September

How we know

National Weather Service forecast and alerts (opens in a new tab) (Sep 28) · National Park Service, Lassen Volcanic wildflowers (opens in a new tab) (Sep 27) · National Park Service, Plan a summer visit to Lassen Volcanic (opens in a new tab) (Sep 27) · National Park Service, Plan a spring visit to Lassen Volcanic (opens in a new tab) (Sep 27) · National Park Service, Lassen Volcanic operating hours and seasons (opens in a new tab) (Sep 27) · National Park Service, Hat Lake to Paradise Meadows Trail (opens in a new tab) (Sep 27) · National Park Service, Lassen Volcanic alerts and conditions (opens in a new tab) (Sep 27)

All our sources and how we use them →

Questions people ask

When is peak wildflowers in Lassen Volcanic National Park in 2026?

The National Park Service says Lassen's wildflowers appear from late May in the lowest areas through September on Lassen Peak: May 21–Sep 30. That's general timing for this place, not a peak date or a forecast.

Is it blooming in Lassen Volcanic National Park right now?

There's no official report yet this season.

When is the best time to see wildflowers?

It depends on elevation: late May to early July around Manzanita Lake and Warner Valley, late June to early August around Summit Lake and Juniper Lake, late July through September on Lassen Peak. The winter's snowpack moves these dates every year.Source: National Park Service, Lassen Volcanic wildflowers ↗ (opens in a new tab)

When do the high areas peak?

Between July and September. Many of the flowers that bloom in May and June near Manzanita and Butte Lake show up later around Summit Lake and Lassen Peak.Source: National Park Service, Plan a summer visit to Lassen Volcanic ↗ (opens in a new tab)

When does the park road open?

Snow clearing usually begins in April. The road has typically opened in late May to mid-June, but once as late as July 26.Source: National Park Service, Plan a spring visit to Lassen Volcanic ↗ (opens in a new tab)

Do I need a reservation to enter?

No. The park is open 24 hours a day, every day of the year, and you don't need a reservation to enter.Source: National Park Service, Lassen Volcanic operating hours and seasons ↗ (opens in a new tab)

Where are the best spots in Lassen Volcanic National Park?

Manzanita Lake: 5,900–6,500 ft: flowers from late May through early July; Paradise Meadows: paintbrush, clover, lupine and gentian at the end of the Hat Lake trail, 2.8 miles round trip; Summit Lake: 6,500–7,500 ft: late June through early August; Lassen Peak: 7,500–8,000 ft: late July through September.

Are there closures or permits to know about in Lassen Volcanic National Park?

Main park road closed to cars (Nov–Apr).

What is Lassen Volcanic National Park like through the year?

Deepest snowpack (Apr), Wildflowers (May–Sep), All facilities open (Jul–Sep), Wildfire season (smoke possible) (Jul–Oct) and Main park road closed to cars (Nov–Apr).