Geography of Ellis County, Oklahoma

by | March 14, 2024

Ellis County, located in the western part of the state of Oklahoma, is a region characterized by its diverse geography, rich history, and natural beauty. Encompassing an area of approximately 1,232 square miles, Ellis County is known for its rolling plains, rugged landscapes, and vibrant communities. In this comprehensive overview, we’ll explore the geography, climate, rivers, lakes, and other notable features of Ellis County, Oklahoma.┬áCheck deluxesurveillance to learn more about the state of Oklahoma.


Ellis County is situated in the western part of Oklahoma, bordered by the counties of Woodward to the north, Dewey to the east, Roger Mills to the south, and Harper County, in the state of Kansas, to the west. The county is part of the Great Plains region and includes several towns and communities, including the county seat of Arnett.

The landscape of Ellis County is predominantly characterized by its rolling plains, with vast expanses of prairie grasslands, mesas, and buttes. The county’s geography is shaped by its location in the High Plains region and its proximity to the Red River basin.


Ellis County experiences a semi-arid climate, characterized by hot, dry summers and cold, relatively dry winters. The county’s climate is influenced by its location in the central part of the United States and its proximity to the Rocky Mountains.

Summer temperatures in Ellis County can be hot, with daytime highs often exceeding 90 degrees Fahrenheit (32 degrees Celsius) and occasionally reaching over 100 degrees Fahrenheit (38 degrees Celsius). Humidity levels are generally low during the summer months, with clear skies and abundant sunshine.

Winter temperatures in Ellis County are cold, with daytime highs typically ranging from the 30s to the 40s Fahrenheit (around 1 to 7 degrees Celsius). Nighttime lows can drop below freezing, with temperatures often falling into the teens Fahrenheit (around -7 to -10 degrees Celsius). Snowfall is relatively rare in the area, but occasional winter storms can bring light accumulations of snow.

Precipitation in Ellis County is relatively low, with an average of around 20 to 25 inches annually. Most of the precipitation falls during the spring and summer months, with thunderstorms bringing heavy rainfall and occasional severe weather.

Rivers and Lakes:

Ellis County is home to several rivers, creeks, and streams that play a vital role in its geography, ecology, and economy.

One of the most important waterways in Ellis County is the Canadian River, which flows through the northern part of the county from west to east. The Canadian River and its tributaries provide habitat for a diverse array of fish, wildlife, and plant species, and serve as an important water source for agricultural irrigation and recreation.

Another important waterway is Wolf Creek, which flows through the central part of the county before eventually joining the Canadian River. Wolf Creek and its tributaries provide additional opportunities for outdoor recreation and contribute to the county’s natural beauty.

Ellis County is also home to several small lakes and reservoirs, including Lake Lloyd Vincent, Ft. Supply Lake, and Lake Lloyd Vincent, which provide opportunities for fishing, boating, and other water-based activities. These lakes and reservoirs also serve as important habitats for wildlife and contribute to the county’s biodiversity.

Parks and Natural Areas:

Ellis County is home to several parks, wildlife management areas, and protected areas that offer opportunities for outdoor recreation and wildlife viewing.

One of the most notable natural areas in Ellis County is the Great Salt Plains State Park, which encompasses a vast wilderness area in the northeastern part of the county. The park features salt flats, sand dunes, and saline lakes, providing visitors with opportunities to explore the unique landscape and enjoy outdoor activities such as hiking, birdwatching, and wildlife viewing.

Another popular destination is the Black Kettle National Grassland, which covers a large area in the western part of the county. The grassland features rolling plains, prairie grasses, and diverse plant and animal species, offering opportunities for camping, hiking, and photography.

Ellis County is also home to several wildlife management areas, including the Pack Saddle Wildlife Management Area and the Ellis County Wildlife Management Area, which provide habitat for a variety of wildlife species, including deer, turkey, and waterfowl. These areas offer opportunities for hunting, fishing, and wildlife viewing, as well as educational programs and interpretive trails.


Agriculture is an important industry in Ellis County, with farming and ranching being among the main agricultural activities in the area. The county’s fertile soils and favorable climate support a wide variety of crops and livestock, making it one of the leading agricultural regions in Oklahoma.

Crops grown in Ellis County include wheat, sorghum, corn, and various types of vegetables. The county is also known for its production of livestock, including cattle, sheep, and goats, which are raised for meat and dairy production.

Cultural and Historical Heritage:

Ellis County has a rich cultural and historical heritage, with a legacy shaped by its early settlers, Native American history, and pioneer spirit.

The county is home to several historic sites and landmarks, including the Museum of the Western Prairie in Altus, the Fort Supply Historic Site in Fort Supply, and the Ellis County Historical Museum in Arnett, which preserve and interpret the area’s cultural and historical heritage. These sites offer visitors opportunities to learn about the region’s early pioneers, its Native American inhabitants, and its contributions to Oklahoma’s history.

Ellis County is also known for its vibrant arts and cultural scene, with numerous galleries, theaters, and performance venues located throughout the area. The county’s diverse population and rich cultural heritage are reflected in its festivals, events, and celebrations, which showcase the traditions, customs, and cuisines of its residents.


In conclusion, Ellis County, Oklahoma, is a region of diverse geography, rich history, and natural beauty. From its rolling plains and rugged landscapes to its scenic rivers and lakes, the county offers a wealth of opportunities for outdoor recreation, cultural exploration, and historical discovery. Whether exploring its parks and natural areas, sampling its agricultural products, or learning about its heritage and history, Ellis County invites visitors to experience the timeless charm and allure of the Great Plains.