Oregon has 10 National Park Units within it’s state borders. These include 1 National Park, 4 National Trails, and 5 Other National Park units (Monuments and Historical Parks).

National Parks
National Parks are the crown jewel of the National Park system and 63 of units fall into this category. Oregon has one such national park among the units within the state.
Crater Lake National Park
Established in 1902, Crater Lake National Park protects the namesake Crater Lake formed by the collapsed volcano Mount Mazama and the nearby land. The park encompasses 183,000 acres of land which includes the lake which is the deepest in the United States. The crystal blue water of the lake and the hiking trails around are a draw for visitors to the park. During the summer months visitors can take a ferry to the Wizard Island in the middle of the lake as well.
Other National Park Units
Fort Vancouver National Historic Site
Designated in 1961, this unit protects the historic fur trading post of Fort Vancouver as well as the residence of John McLoughlin (in Oregon – designated in 2003). The majority of the site is in Washington with the small shared unit in Oregon.
John Day Fossil Beds National Monument
Established in 1975, the John Day Fossil Beds National Monument protects fossils of plants and animals that lived in the region from the late Eocene (45million years ago) to the late Miocene (approx 5 millions years ago) eras. The monument consists of several distinct units, Sheep Rock, Painted Hills, and Clarno. There are hiking and activities in all units as well as a visitor center and exhibits in the Sheep Rock area of the park.
Lewis and Clark National Historical Park
One of the most famous duo’s in US history, the Lewis and Clark National Historical Park documents the incredible journey of the Corps of Discovery to Oregon. The park does span Oregon and Washington with the main area to visit of Fort Clatsop in Astoria Oregon. The park was established in 1958 and protects the Fort and several other sites between the two states.
Nez Perce National Historical Park
Established in 1965, the Nez Perce National Historical Park protects 38 sites across Idaho, Montana, Washington and Oregon that are significant to the Nez Perce across the ancestral lands. The visitor center and many of the sites sit within the borders of Idaho. Sites within Oregon include Joseph Canyon, Lostine Campsite, Old Chief Joseph’s gravesite, and Dug Bar.
Oregon Caves National Monument and Preserve
Established in 1909, the 4500 acre park protects the marble cave and surrounding preserve in the northern Siskiyou Mountains of southwestern Oregon. The cave itself was discovered in 1874 and has known passages that total over 15,000 feet. The National Park service runs regular cave tours through the park that can be reserved ahead of time or at the visitor center.
National Trails
National Trails are trails that often span across states for various geological or historical nature. Two of these trails traverse the state of Washington. They are also national park units (with cancellation stamps) but are so diverse and connect across various parks and other sites that its not necessarily just one spot to visit.
California National Historic Trail
The California National Historic Trail covers over 5,000 miles of trail (over several branches) and traces the historic emigrants who traveled across the west in search of rich farmland and gold. The trail itself hits portions of 10 different states and yes even Oregon in this instance. The northern terminus of the trail leads visitors up near the Portland area. [ CA CO ID KS MO NE NV OR UT WY ]
Ice Age Floods National Geologic Trail
The Ice Age Floods trail covers 16,000 square miles and spans the 4 states (Montana, Idaho, Washington, and Oregon). The trail connects various different national and state park lands and brings visitors through areas that were carved by glaciers and flooding during the last ice age.
Oregon National Historic Trail
Certainly one of the most famous of America’s historic trails. The Oregon trail follows more than 2000 miles and cross states from it’s start in Independence Missouri through it’s terminus in Astoria Oregon. There are an incredible amount of places to visit along the trail including several other National Park units.
Lewis and Clark National Historic Trail
The Lewis and Clark National Historical Trail runs about 4,900 miles from Pittsburgh Pennsylvania to Astoria Oregon. Across the trail you can visit quite a few National Park and State Park sites that comprised the journey of the Corps of Discovery. It follows the historical trail of the Corps as well as the preparatory sections between Pennsylvania and Illinois. Lewis and Clark National Historical Park is a stop along the trail as well.
Check out Nearby States National Park Sites
Washington | Idaho | California | Nevada