Skip to content
Byway
Peak · California

Semi Crater

Semi Crater, seen from above at true elevation

Semi Crater rises to 1,434 m in California. Lyons Peak stands 2,398 m to the south, 12 miles off. The nearest named place is Boulevard Bridge, a natural arch 0.5 miles away.

The record

What the record says

Elevation
1434 m
Getting there

How to reach it

Driving directionsPlan a drive around it
Coordinates41.74877, -121.53777
Around it

Named places within 25 miles

Peaks
Natural arches: 14
  • Boulevard Bridge: 0.5 mi
  • Balcony Bridge: 0.5 mi
  • Bearpaw Bridge: 1.5 mi
  • Dragons Mouth: 1.7 mi
  • Peninsula Bridge: 2.1 mi
Attractions: 11
  • Black Crater: 1.4 mi
  • Thomas-Wright Battlefield: 1.5 mi
  • Fleener Chimneys: 1.7 mi
  • Garden Bridges: 3.0 mi
  • Hidden Valley: 3.9 mi
Historic sites: 9
  • Tule Lake: 12.6 mi
  • 1873 Two Warm Springs Indians: 12.7 mi
  • Canby's Cross: 12.7 mi
  • Captain Jack's Stronghold: 12.7 mi
  • Captain Jack's Stronghold: 12.7 mi
Cliffs: 7
  • Gillem Bluff: 3.1 mi
  • Gillem Bluff: 3.6 mi
  • Gillem Bluff: 4.2 mi
  • Gillem Bluff: 4.7 mi
  • Gillem Bluff: 5.6 mi
Parks: 5
  • Tulelake-Butte Valley Fairgrounds: 14.1 mi
  • Otis Roper Park: 14.7 mi
  • Good Duck Park: 19.3 mi
  • Malin Community Park: 19.5 mi
  • Long Bell State Game Refuge 1N: 22.3 mi
Nature reserves: 1
Picnic sites: 1
  • Doorknob Snowmobile park: 5.5 mi
Museums: 1
Springs: 1
  • Big Al Spring: 24.9 mi
On the horizon

Other summits around it

The highest named summits within 15.1 miles of Semi Crater. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Lyons PeakS 172°2,398 m11.8 mi
Mount HoffmanS 185°2,397 m9.6 mi
Red Shale ButteS 176°2,381 m11.7 mi
Glass MountainS 170°2,316 m10.3 mi
Medicine MountainSSW 197°2,295 m13.3 mi
Badger PeakSSW 204°2,236 m11.4 mi
Little Mount HoffmanSSW 208°2,197 m13.3 mi
Grouse HillSSW 207°2,142 m10.5 mi
Conditions

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:1018:4219:19
June solstice05:3220:0320:45
September equinox06:5418:2819:05
December solstice07:3115:5416:39

Local time (America/Los_Angeles).

Climate normals

Months averaging 50–80 °F: May–Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F333540445260696862513932
Precip in1.62.11.91.31.41.00.40.30.40.81.51.5

1991–2020 U.S. Climate Normals, NOAA NCEI — Lava Beds NAT MON, 3 mi away.

Sources

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMapWikidata

OpenStreetMap element node/358774924

More peaks in California

Drive to it

Byway plans a real route around stops like this one.

Plan a driveMore peaks
Private beta · Free to join

Take the scenic way to Semi Crater.

Byway plans around your taste, verified places, real weather and opening hours — then opens every leg in Google Maps with one tap.

Private beta · Free to join · No card · Invite when a spot opens