Historical Catalogue of Earthquakes Associated with Siuslaw National Forest, Oregon

Drift Creek Wilderness: Protected Wildlife Reserve and Old Growth Geography in Oregon

Mapping the old growth forests and stream corridors of the Coast Range.

Deep within Oregon's Coast Range, Drift Creek Wilderness stands as a significant protected landscape known for its intact old growth Sitka spruce and western hemlock stands. The terrain is characterized by steep, dissected slopes and narrow valleys that form a complex, moss-heavy temperate rainforest ecosystem. This area provides essential habitat for Roosevelt elk, northern spotted owls, and wild salmon populations, offering a compact yet dense look at the region's unique coastal wilderness geography.

Area

23.46 km²

Established

1984

IUCN

Ib

Relief

Upland

Oregon Dunes National Recreation Area: Mapped Geography and Coastal Landscape Atlas

Protected temperate sand dunes along the Pacific coast

Examine the expansive dune fields and aquatic habitats within the Oregon Dunes National Recreation Area. This atlas provides a detailed look at the geographic distribution of wetlands, coastal forests, and massive sand formations that shape this unique protected landscape in Oregon.

Area

127.74 km²

Established

1972

Visitors

1.5M annual

Relief

Lowland

Rock Creek Wilderness: Coastal Forest Geography and Protected Terrain

Oregon wilderness with undisturbed temperate rainforest watersheds

Discover the geographic identity of Rock Creek Wilderness, a congressionally designated area on the Oregon Coast. This protected block of temperate rainforest is characterized by its trail-free, road-free interior and its role as a sanctuary for old growth Douglas-fir and rare butterfly habitat. The watershed terrain, centered around Rock and Big Creeks, preserves a continuous ecological gradient stretching from inland ridges to the Pacific maritime climate.

Area

30.29 km²

Established

1984

IUCN

Ib

Relief

Upland

Willamette National Forest: Geography and Protected Landscapes of the Central Oregon Cascades

Mapped terrain, old-growth forests, and protected wilderness boundaries.

Explore the expansive territory of Willamette National Forest, a primary protected area extending over 100 miles along Oregon's Cascade Range. This region features volcanic peaks exceeding 10,000 feet, extensive old-growth Douglas-fir stands, and a dense network of Wild and Scenic rivers, providing a detailed look at the geographic character and ecological heritage of the Pacific Northwest.

Area

6,790.75 km²

Established

1933

Visitors

1.7M annual

Relief

Mountain

Rogue River, Siskiyou National Forest: Mapped Geography and Protected Area Overview

Tracing volcanic peaks and river-carved mountain terrain in Oregon

Spanning nearly 7,300 square kilometers, the Rogue River, Siskiyou National Forest acts as a crucial ecological anchor in the Pacific Northwest. This overview details its unique mountain geography, the extensive wilderness tracts within its boundaries, and the river systems that define its mountainous character.

Area

6,973.46 km²

Established

2004

Visitors

915K annual

Relief

Mountain

Middle Santiam Wilderness: Geographic Atlas and Protected Landscape Overview of the Oregon Cascades

Old-growth forest basins and volcanic landmarks in the Willamette National Forest.

Middle Santiam Wilderness represents a distinct segment of the central Oregon Cascades. The area is defined by its substantial old-growth coniferous forests, including 450-year-old Douglas-fir and western hemlock stands, alongside the striking 4,965-foot volcanic plug known as Chimney Peak. This map-focused record traces the river-cut valleys and high-ridge topography that shape this protected habitat.

Area

34.57 km²

Established

1984

IUCN

Ib

Relief

Mountain

Menagerie Wilderness Wildlife Reserve: Oregon Cascade Range Geography and Rock Pinnacles

Protected Cascade mountain terrain and unique crag clusters

Situated in the central Cascade Range of Oregon, Menagerie Wilderness provides a compact, highly defined landscape of rising rock pinnacles and lush coniferous forest. This resource traces the unique topography and protected boundaries of this specialized wilderness area, offering insight into the geological features and forest ecosystems that distinguish it from surrounding mountainous terrain.

Area

20.37 km²

Established

1984

IUCN

Ib

Relief

Mountain

Mount Hood National Forest: Atlas of Protected Landscapes and Volcanic Geography

Exploring the Cascade Range terrain and wilderness boundaries in Oregon.

Mount Hood National Forest encompasses a vast, rugged expanse of the Oregon Cascades, anchored by the iconic, glacier-clad Mount Hood. This protected landscape contains extensive old-growth forests, high-alpine lakes, and deep river canyons. Discover the geographic extent of these wilderness areas and mountain terrain within the MoriAtlas database of protected lands.

Area

4,318.17 km²

Established

1908

Visitors

4.4M annual

Relief

Mountain