List_of_National_Natural_Landmarks_in_Arkansas Knowpia

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From List of National Natural Landmarks, these are the National Natural Landmarks in Arkansas. There are 5 in total, 4 are forests, 1 is a spring.

Roaring Branch Research

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Arkansas National Natural Landmarks (clickable map)

	Name	Date	Location	County	Ownership	Description
1	Big Lake Natural Area	1974	35°54′48.61″N 90°7′3.4″W / 35.9135028°N 90.117611°W / 35.9135028; -90.117611	Mississippi	Federal	Forest area within Big Lake National Wildlife Refuge.
2	Lake Winona Research Natural Area	1976	34°42′36.66″N 94°25′27.81″W / 34.7101833°N 94.4243917°W / 34.7101833; -94.4243917	Saline	Federal	Pine forest near Lake Winona (Arkansas); part of Ouachita National Forest.
3	Mammoth Spring	1972	36°29′52″N 91°32′09″W / 36.4978°N 91.5359°W / 36.4978; -91.5359 (Mammoth Spring)	Fulton	State	The largest first magnitude spring in Arkansas, it is connected underground to the Grand Gulf State Park in Missouri.
4	Roaring Branch Research Natural Area	1976	34°22′22.8″N 93°58′40.8″W / 34.373000°N 93.978000°W / 34.373000; -93.978000	Polk	Federal	Steep ravine with a virgin forest in Ouachita National Forest.
5	White River Sugarberry Natural Area	1974	34°21′0″N 91°6′0″W / 34.35000°N 91.10000°W / 34.35000; -91.10000	Desha	Federal	Virgin hardwood bottomland forest in White River National Wildlife Refuge.

Summary