Natural Resources
Conservation Service
Major Land Resource Area 006X
Major Land Resource Area
Accessed: 04/20/2026
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Explore the ecological site group description
Next, learn more about the selected ecological site group and its characteristic dynamics by browsing the ecological site group description and exploring alternative state and transition model formats.
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i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
-
i
Key Characteristics
- Site located north of the Columbia River.
- Within a national park soil survey or in an area joining with a national park in the Washington Cascades Range
- NORTH CASCADES NATIONAL PARK
- Site is forested and more than 25 percent is covered with trees
- Site typically is on west slope of North Cascade Mountains, but areas are throughout the mountains
- Site typically is at low elevations (below 3,200 feet above sea level). It typically is on gently sloping or flat flood plains and terraces associated with streams and rivers. It is in lower positions of glacially carved valleys in the North Cascade Mountains. Black cottonwood and red alder are common trees. Common understory plants include vine maple, salmonberry, wild ginger, and ladyfern. If yes, the site is Frigid Riparian Forest (F003XN920).
Briefcase
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The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.
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