Upper Souris National Wildlife Refuge is located in the state of North Dakota and offers visitors a diverse range of natural attractions and recreational activities. This summary provides information based on multiple independent sources.

Reasons to Visit:
1. Wildlife Viewing: The refuge spans over 32,000 acres and provides a habitat for a variety of wildlife species. Visitors can spot animals such as white-tailed deer, moose, waterfowl, shorebirds, and even bald eagles.
2. Birdwatching: Upper Souris is a haven for bird enthusiasts, with over 240 species recorded within its boundaries. The refuge is particularly famous for its waterfowl population, including large numbers of ducks and geese.
3. Fishing: The refuge offers excellent fishing opportunities, with several lakes and rivers providing habitat for various fish species, including northern pike, walleye, and smallmouth bass.
4. Photography: The scenic landscapes and diverse wildlife make Upper Souris a fantastic destination for photographers. The changing seasons offer unique opportunities to capture stunning shots.
5. Hiking and Wildlife Trails: The refuge offers multiple hiking trails, enabling visitors to explore the beautiful surroundings while observing wildlife and enjoying the peacefulness of nature.

Points of Interest:
1. Upper Souris Lakes: The refuge encompasses a series of interconnected lakes, providing opportunities for boating, canoeing, and kayaking.
2. J. Clark Salyer National Wildlife Refuge: Located adjacent to Upper Souris, this refuge offers additional wildlife viewing opportunities, making it a great extension to any visit.
3. Lake Darling: This reservoir, located within the refuge, is a popular spot for fishing, boating, and camping.

Interesting Facts:
1. Upper Souris is one of the largest National Wildlife Refuges in the northern Great Plains region.
2. The refuge was established in 1935 to provide critical habitat for migratory birds and other wildlife.
3. Upper Souris plays a vital role in the breeding and migration of waterfowl, supporting thousands of nesting pairs and serving as a stopover for migratory birds.

Best Time to Visit:
The best time to visit Upper Souris National Wildlife Refuge is during spring and fall. Spring offers a chance to witness the arrival of migratory birds and the reawakening of nature. Fall brings spectacular foliage colors and the migration of waterfowl. However, each season has its own unique attractions, and summer and winter also offer recreational opportunities.

It is essential to verify this information from multiple independent sources, such as official refuge websites or publications, to ensure accuracy and obtain the most up-to-date information before planning a visit.