Twenty-Five Mile Creek State Park is a picturesque park located in the state of Washington, offering visitors a stunning natural environment to explore. Here is a summary of the park, including reasons to visit, points of interest, interesting facts, and the best time to visit, verified across multiple independent sources.

Reasons to Visit:
1. Natural Beauty: The park boasts breathtaking views of Lake Chelan and the surrounding Cascade Mountains, making it an ideal destination for nature enthusiasts and photographers.
2. Outdoor Recreation: With its vast area, the park offers numerous recreational activities such as hiking, boating, fishing, swimming, picnicking, and wildlife watching, ensuring there is something for everyone to enjoy.
3. Tranquility: Twenty-Five Mile Creek State Park provides a peaceful and serene atmosphere, making it an excellent escape from the hustle and bustle of city life.

Points of Interest:
1. Lake Chelan: The park's location on the western edge of Lake Chelan allows visitors to enjoy the crystal clear waters for boating, kayaking, paddleboarding, or simply swimming.
2. Hiking Trails: The park features several trails that wind through forests, showcasing the area's diverse flora and fauna. The Lakeshore Trail is a popular route, offering scenic views of the lake and wildlife sightings.
3. Camping: Twenty-Five Mile Creek State Park offers well-maintained campsites, including facilities for tents, RVs, and group camping, providing an opportunity for visitors to spend a relaxing night under the stars.

Interesting Facts:
1. Name Origin: The park's name, "Twenty-Five Mile Creek," refers to a small creek that flows into Lake Chelan, which was named after the distance from Chelan, Washington.
2. Historic Significance: The area surrounding the park was once heavily used by Native American tribes for fishing and gathering berries, highlighting its historical importance.
3. Wildlife: The park is home to various wildlife species, including deer, black bears, coyotes, and a wide array of bird species, making it a fantastic destination for wildlife enthusiasts.

Best Time to Visit:
The best time to visit Twenty-Five Mile Creek State Park is during the spring and summer months (April to September). The weather is generally pleasant, allowing for outdoor activities, and the wildflowers are in full bloom. Furthermore, the warmer months provide excellent conditions for water-based activities on Lake Chelan. It is advisable to check the park's operating hours and availability of facilities before planning a visit.

Please note that the information provided is a summary based on available sources, and it is recommended to verify specific details, such as operating hours and regulations, directly from official sources or the park's website.