Search
Menu
Home
Sources
About
Contacts
Onyx Summit
Onyx
Summit
is a
mountain pass
located in the
San Bernardino Mountains
in the
southwestern
part of
San Bernardino County, California
,
United States
. At an elevation of 8,443
ft
., it is the
highest mountain
pass
in
Southern California
.
California State Route 38
traverses it at
postmile
39.37 in the
eastern
part of
San Bernardino National Forest
.