State Park New Lake D'Arbonne is actually located in the state of Louisiana, not Missouri. It is situated in Union Parish, near Farmerville. Here is a summary of the park, including reasons to visit, points of interest, interesting facts, and the best time of year to visit.

Reasons to Visit:
1. Recreational Activities: New Lake D'Arbonne State Park offers a range of outdoor activities such as fishing, boating, swimming, hiking, camping, picnicking, and wildlife viewing.
2. Lake D'Arbonne: The park is centered around a beautiful 15,250-acre lake, providing excellent opportunities for fishing enthusiasts. The lake is known for its large-mouth bass, crappie, catfish, and other species.
3. Scenic Beauty: The park boasts stunning natural scenery, including cypress trees, Spanish moss, and abundant wildlife. It offers a peaceful retreat for nature lovers.

Points of Interest:
1. Nature Center: The park features a nature center where visitors can learn about the local flora and fauna, as well as the history and ecology of the area.
2. Trails: There are several well-maintained trails within the park, such as the 2.5-mile Nature's Way Trail, providing opportunities for wildlife observation and leisurely walks.
3. Camping: New Lake D'Arbonne State Park offers both primitive and improved campsites, allowing visitors to immerse themselves in the natural surroundings.

Interesting Facts:
1. Lake D'Arbonne was created in the 1960s as part of a flood control project, and it has since become a popular recreational destination in Louisiana.
2. The lake's name, D'Arbonne, is derived from the French phrase "de bonne," meaning "good."
3. The park is home to an abundance of wildlife, including birds, deer, raccoons, and various fish species.

Best Time to Visit:
The best time to visit New Lake D'Arbonne State Park is during the spring and fall seasons when the weather is pleasant, and the natural surroundings are vibrant. Spring offers beautiful wildflower displays, while fall showcases stunning foliage colors. Additionally, fishing is particularly good during the spring and fall months.

It's important to note that the information provided here has been summarized based on general knowledge of New Lake D'Arbonne State Park. For accurate and up-to-date information, it is highly recommended to verify the details across multiple independent sources, such as the official website of Louisiana State Parks.