List of National Natural Landmarks in Idaho

There are 11 National Natural Landmarks in Idaho.

Big Southern Butte

Big Springs (Idaho)

City of Rocks National Reserve

Crater Rings (Idaho)

Great Rift of Idaho

Hagerman Fauna Sites

Hell's Half Acre Lava Field

Hobo Cedar Grove Botanical Area

Menan Buttes

Sheep Rock

Niagara Springs

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Idaho National Natural Landmarks (clickable map)

Name	Image	Date	Location	County	Ownership	Description
Big Southern Butte		1976	Atomic City43.401389°N 113.023889°W / 43.401389; -113.023889 (Big Southern Butte)	Butte	federal (Bureau of Land Management)	A 2,500 ft Rhyolitic dome that rises over the Eastern Snake River Plain. It illustrates the scope and dimensions of Quaternary volcanism in the western United States.
Big Springs		1980	Island Park44.500278°N 111.255278°W / 44.500278; -111.255278 (Big Springs)	Fremont	federal (Caribou-Targhee National Forest)	The only first-magnitude spring in the country that issues forth from rhyolitic lava flows.
Cassia Silent City of Rocks		1974	Malta42.076026°N 113.701676°W / 42.076026; -113.701676 (City of Rocks)	Cassia	federal (City of Rocks National Reserve)	Monolithic landforms created by exfoliation processes on exposed massive granite plutons.
Crater Rings		1980	Mountain Home43.1907°N 115.8597°W / 43.1907; -115.8597 (Crater Rings)	Elmore	federal (Morley Nelson Snake River Birds of Prey National Conservation Area)	Two adjacent and symmetrical pit craters that are among the few examples of this type of crater in the continental United States.
Great Rift of Idaho		1968	Craters of the Moon National Monument and Preserve43.46167°N 113.56278°W / 43.46167; -113.56278 (Great Rift)	Blaine, Minidoka, Power	federal (Craters of the Moon National Monument and Preserve)	A tensional fracture in the Earth's crust.
Hagerman Fauna Sites		1975	Hagerman Fossil Beds National Monument42.7906°N 114.9448°W / 42.7906; -114.9448 (Hagerman Fossil Beds)	Twin Falls	federal (Hagerman Fossil Beds National Monument)	Contains the world's richest deposits of Upper Pliocene age terrestrial fossils.
Hell's Half Acre Lava Field		1976	Blackfoot43.5°N 112.45°W / 43.5; -112.45 (Hell's Half Acre Lava Field)	Bingham, Bonneville	federal (Bureau of Land Management)	Fully exposed pahoehoe lava flow.
Hobo Cedar Grove Botanical Area		1980	Shoshone47.0911°N 116.127°W / 47.0911; -116.127 (Hobo Grove)	Shoshone	federal (St. Joe National Forest)	An outstanding example of pristine western red cedar forest.
Menan Buttes		1980	Menan43.6°N 111.5°W / 43.6; -111.5 (Menan Buttes)	Jefferson, Madison	federal (Bureau of Land Management)	Contains outstanding examples of glass tuff cones, which are found in only a few places in the world.
Niagara Springs		1980	Hagerman42.85778°N 114.87639°W / 42.85778; -114.87639 (Niagara Springs)	Gooding	private	Least developed of the large springs discharging into the Snake River from the Snake River plain aquifer system.
Sheep Rock		1976	Council45.191651°N 116.67132°W / 45.191651; -116.67132 (Sheep Rock)	Adams	federal (Payette National Forest)	Horizontally layered lavas that represent successive flows on the Columbia River Basalt Plateau.

See also

• List of National Historic Landmarks in Idaho