Browse Map

Explore away

Explore Map Collection

Check out our basemaps

Print a Map Plus

Generate a high-quality PDF

Field Guide

Discover local flora, fauna, geology, and more

Local Flora & Fauna

Learn the ecology of your area

Local Geology

Learn the geologic formation at your feet

Get Started or Sign In

Welcome

Continue with Apple

Already have an account? Sign In

MAP

Topo

Measure

Topo

Ecoregions

Public Lands

...

BASEMAPS

Default Weather

Temperature

Smoke

...

WEATHER

Marble/Salmon Mountains-Trinity Alps

Ecoregion in Coast Ranges, Klamath Mountains in CA

Print Map

Generate High-Quality PDF

The Marble/Salmon Mountains-Trinity Alps ecoregion includes the Salmon Mountains, Marble Mountains, and Trinity Alps in the montane elevations mostly from 3,500 or 4,000 feet to about 7,000 feet. The rugged region has steep slopes and numerous canyons and narrow mountain valleys. Granitic, metavolcanic, and metasedimentary rocks occur, including some areas of serpentinized peridotite. Soil temperature regimes are predominantly frigid and soil moisture regimes are xeric. The climate is colder than surrounding lower elevation ecoregions 78g, 78i, and 78k. Forests include Douglas-fir, white fir, and at high elevations, red fir.

— EPA

Taxonomy

Classified As

Ecoregion