Greenbelt Unit is a state park located in Texas, USA. It is a popular destination for visitors who are looking for outdoor activities such as hiking, camping, and fishing. The park is situated on the Brazos River and covers an area of around 1744 acres. Here are some good reasons to visit the Greenbelt Unit:

1. Hiking: Greenbelt Unit offers a variety of hiking trails of different lengths and difficulties. Visitors can enjoy scenic views of the river and the surrounding landscape.

2. Camping: The park has several camping areas that can accommodate tents, RVs, and trailers. Visitors can enjoy a peaceful night under the stars.

3. Fishing: The Brazos River is home to a variety of fish species, including catfish, bass, and crappie. Visitors can fish from the riverbanks or rent a boat from the park.

Some of the specific points of interest to see in Greenbelt Unit include:

1. The Gorman Falls: It is a 60-foot waterfall that is located within the park. Visitors can hike to the waterfall and enjoy the view.

2. The Cedar Chopper Loop Trail: It is a 5-mile hiking trail that offers scenic views of the river and the surrounding landscape.

3. The Scenic Overlook: It is a viewpoint that offers a panoramic view of the river and the park.

Interesting facts about Greenbelt Unit:

1. The park is home to several endangered species, including the golden-cheeked warbler and the black-capped vireo.

2. The park was established in 1978 and is managed by the Texas Parks and Wildlife Department.

3. The park was named after the greenbelt that is located along the Brazos River.

The best time of year to visit Greenbelt Unit is in the spring or fall when the weather is mild. The summers can be hot and humid, while the winters can be cold and rainy. Visitors should also check the park's website for any closures or restrictions before planning their trip.