Union Slough National Wildlife Refuge

Rate this place

Last Updated: December 5, 2025

Union Slough National Wildlife Refuge is a pristine natural area located in the state of Missouri.


°F

°F

mph

Wind

%

Humidity

Summary

It offers visitors a unique opportunity to experience and appreciate the diverse wildlife and ecosystems found within the refuge. With its various points of interest and interesting facts, it attracts nature enthusiasts, bird watchers, and photographers alike.

One of the main reasons to visit Union Slough National Wildlife Refuge is its abundant wildlife. The refuge provides a critical habitat for numerous species, including migratory birds, waterfowl, and endangered species. Visitors can witness the incredible sight of thousands of waterfowl during their annual migrations, making it a paradise for birdwatching enthusiasts. The refuge also supports populations of white-tailed deer, river otters, bald eagles, and many other species.

Several points of interest within the refuge are worth exploring. The Union Slough observation deck offers visitors a panoramic view of the wetlands, allowing for excellent birdwatching and wildlife photography opportunities. The refuge also offers well-maintained walking trails, providing visitors with a chance to immerse themselves in the natural beauty and tranquility of the area. Additionally, Union Slough Lake provides opportunities for boating, fishing, and picnicking.

Interesting facts about Union Slough National Wildlife Refuge include its designation as a Ramsar Wetland of International Importance. This recognition highlights the refuge's exceptional ecological value and its contributions to migratory bird conservation. The refuge also actively participates in wetland restoration and management programs, ensuring the sustainability of the ecosystem.

The best time of year to visit Union Slough National Wildlife Refuge depends on personal preferences and interests. Spring and fall are popular seasons for birdwatchers, as hundreds of species can be observed during their migrations. Springtime brings the arrival of waterfowl, while fall offers a chance to witness their departure. Summer allows visitors to experience the lush green landscapes and enjoy various recreational activities, such as boating and fishing. Winter brings a different ambiance, with the possibility of spotting bald eagles and other wintering birds.

To ensure accuracy, it is recommended to verify the information provided by referring to multiple independent sources such as the official website of Union Slough National Wildlife Refuge, reputable travel guides, and local conservation organizations.

       

Weather Forecast

Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
Related References