Geography of Greene County, Arkansas

Greene County, located in the northeastern part of Arkansas, is a region known for its diverse geography, rich history, and unique ecosystems. Situated in the Mississippi Alluvial Plain, the county encompasses a variety of landscapes, including fertile farmland, rolling hills, and numerous waterways. Its geography, climate, rivers, lakes, and other natural features play a crucial role in shaping both the environment and the way of life for its residents. This comprehensive overview will delve into the geography of Greene County, providing insights into its physical characteristics, climate, rivers, lakes, and more. Check climateforcities to learn more about the state of Arkansas.

Physical Geography

Greene County is primarily located within the Mississippi Alluvial Plain, also known as the Mississippi Delta, which is characterized by its flat, fertile terrain. The county is bordered by the St. Francis River to the east and the Cache River to the west, both of which contribute to its rich soil and agricultural productivity.

The landscape is dominated by vast expanses of farmland, with crops such as cotton, soybeans, rice, and corn grown throughout the region. In addition to agriculture, Greene County is also home to forests, wetlands, and wildlife habitats, particularly along its numerous rivers and streams.


Greene County experiences a humid subtropical climate, typical of much of the southeastern United States. This climate is characterized by hot, humid summers and mild winters, with ample precipitation throughout the year.

Summer temperatures often reach into the 90s Fahrenheit (32-37°C), with high humidity levels making the weather feel even hotter. Thunderstorms are common during the summer months, bringing heavy rainfall, lightning, and occasional gusty winds.

Winters are relatively mild, with temperatures typically ranging from the 30s to the 50s Fahrenheit (around 0-15°C). Snowfall is infrequent but not unheard of, particularly in the northern part of the county.

Spring and fall offer pleasant weather conditions, with mild temperatures and colorful foliage, making them popular seasons for outdoor activities and tourism.

Rivers and Lakes

Greene County is blessed with abundant water resources, including rivers, streams, and lakes, which play a vital role in shaping the region’s landscape and providing recreational opportunities.

St. Francis River

The St. Francis River forms the eastern border of Greene County, flowing southward from Missouri into Arkansas before eventually joining the Mississippi River. The river serves as a major transportation route and a source of water for irrigation and industry.

Cache River

The Cache River runs along the western border of Greene County, meandering through the Mississippi Alluvial Plain. This slow-moving, meandering river is characterized by its swamps, oxbow lakes, and bottomland hardwood forests, providing important habitat for a variety of plant and animal species, including bald cypress trees, waterfowl, and migratory birds.

Little River Drainage District

The Little River Drainage District, a vast network of canals, ditches, and levees, was constructed in the early 20th century to drain the swampy lowlands of northeastern Arkansas, including parts of Greene County. This engineering feat transformed the landscape, making thousands of acres of formerly flooded land suitable for agriculture and development.


While Greene County is not known for its natural lakes, there are several man-made reservoirs and recreational lakes in the area.

Lake Frierson State Park

Lake Frierson State Park is located just northeast of Paragould, the county seat of Greene County. The park features a 335-acre reservoir known for its fishing opportunities, particularly for crappie, bass, and catfish. The park also offers camping, picnicking, hiking, and wildlife viewing opportunities.

Lake Poinsett State Park

Lake Poinsett State Park is situated just south of the Missouri border, near the town of Harrisburg. The park surrounds a 640-acre reservoir, offering fishing, boating, camping, hiking, and birdwatching opportunities. The lake is stocked with bass, crappie, bream, and catfish, making it a popular destination for anglers.

Natural Attractions

In addition to its rivers, lakes, and agricultural lands, Greene County is home to several natural attractions that showcase the region’s unique beauty and biodiversity.

Crowley’s Ridge

Crowley’s Ridge, a geologic anomaly that stretches across several states in the southeastern United States, passes through the western part of Greene County. This narrow, elevated ridge is characterized by its distinct topography, with steep slopes and flat-topped hills, providing panoramic views of the surrounding countryside.

Big Lake National Wildlife Refuge

Big Lake National Wildlife Refuge, located just south of the Missouri border, encompasses over 11,000 acres of wetlands, marshes, and bottomland hardwood forests. The refuge provides important habitat for migratory waterfowl, including ducks, geese, and swans, as well as numerous species of shorebirds, songbirds, and mammals.

Historic Downtown Paragould

Historic Downtown Paragould, the county seat of Greene County, features a charming mix of historic buildings, shops, restaurants, and cultural attractions. Visitors can explore the downtown area on foot, taking in the architecture and learning about the area’s rich history and heritage.


Greene County, Arkansas, is a region of diverse landscapes, from the fertile farmland of the Mississippi Alluvial Plain to the wetlands and bottomland hardwood forests along its rivers and streams. Its humid subtropical climate, characterized by hot summers and mild winters, supports a rich diversity of plant and animal life, adapted to the challenges of the region’s environment. With its abundant water resources, agricultural lands, and natural attractions, Greene County offers a wealth of opportunities for outdoor recreation, wildlife viewing, and exploration, making it a destination worthy of exploration for residents and visitors alike.