Terminal Geyser Trail

California

California

Free — you'll pick up right here.

2.1 mi

Distance

831 ft

Gain

43 min

Time

No verdict for this trail

We won't guess. Here is exactly what we do and don't know.

What we do know

  • Inside Lassen Volcanic National Park

    National Park unit boundary is mapped — agency alerts for it feed this page automatically.

    Boundary data

What's missing

  • No access route mapped

    We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.

Nobody's filed a report here yet — be the first.

Why you'll love it

Through-trail
Out & back

Here's your day, mapped

Terminal Geyser Trail

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Meals

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Elevation & route

Distance
2.1 mi
Elevation gain
831 ft
Elevation loss
831 ft
Highest point
6,280 ft
Lowest point
5,844 ft
More about this trail ↓

Photos

Directions & GPX

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Permits & access

Managing agency
National Park Service

About this trail

Terminal Geyser Trail is a 3.38-mile out-and-back route in California with 831 feet of elevation gain. The trail reaches a maximum elevation of 6,280 feet.

Facts about this trail

The climb

Starts at
6,094 ft
High point
6,280 ft
Total climbing
831 ft
Total descent
831 ft
Steepest stretch
47% grade around mile 0.4 on the way out
Length (round trip)
4.2 mi
Shape
Out and back

Source: Roamze elevation profile and trail geometry (DEM samples along the mapped route)

When to go

Typical monthly averages (not a forecast) from the Manzanita Lake, CA weather station, 13 mi away. High / low in °F.

  1. Jan41° high22° low
  2. Feb42° high22° low
  3. Mar46° high24° low
  4. Apr50° high27° low
  5. May61° high35° low
  6. Jun70° high41° low
  7. Jul79° high46° low
  8. Aug78° high45° low
  9. Sep72° high41° low
  10. Oct59° high33° low
  11. Nov47° high26° low
  12. Dec39° high22° low

Source: NOAA NCEI U.S. Climate Normals 1991–2020

Where it is

Managed by
National Park Service

Source: NPS Land Resources boundaries; USGS PAD-US 4.1

Conditions

Active alerts for Lassen Volcanic National Park as of Oct 9, 2026:

Source: NPS Alerts API

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

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Map and trail data © OpenStreetMap contributors