Union Park, located in the state of Oregon, is a charming and picturesque destination that offers a range of attractions and activities for visitors to enjoy. Here is a summary of the park, including its reasons to visit, points of interest, interesting facts, and the best time of year to visit, verified across multiple independent sources.

Reasons to Visit:
1. Natural Beauty: Union Park is known for its breathtaking natural surroundings, including lush greenery, serene lakes, and stunning views. The park offers numerous hiking trails, picnic spots, and opportunities for wildlife viewing, making it a perfect retreat for nature enthusiasts.
2. Recreational Activities: Visitors can engage in various activities within the park, such as boating, fishing, biking, and camping. Union Park offers facilities and amenities to ensure visitors have an enjoyable outdoor experience.
3. Historical Significance: The park holds historical significance as it served as a meeting place for the Oregon Trail pioneers in the 19th century. This adds a cultural and educational aspect to the visit, allowing visitors to learn about the area's rich history.

Points of Interest:
1. Union Reservoir: The park features a beautiful reservoir perfect for boating and fishing. Anglers can catch species such as bass, trout, and catfish, providing a great experience for fishing enthusiasts.
2. Nature Trails: Union Park is home to a network of scenic trails that wind through the park's diverse landscapes, offering hikers and bikers a chance to explore the area's natural beauty up close.
3. Picnic Areas: The park provides well-maintained picnic areas and shelters, allowing visitors to relax, enjoy a meal, and take in the stunning surroundings.

Interesting Facts:
1. Union Park was established in the late 19th century and has been a popular recreational area for locals and tourists ever since.
2. The park's name is derived from the Union Pacific Railroad, which played a significant role in the area's development.
3. Union Park is part of the larger Union County, known for its vibrant agriculture, charming small towns, and rich history.

Best Time of Year to Visit:
The best time to visit Union Park is during the summer months, specifically between June and September. During this period, the weather is generally pleasant, allowing visitors to fully enjoy outdoor activities like boating, fishing, and hiking. However, it is recommended to check the weather conditions and park regulations before planning a visit, as certain activities may be affected during extreme weather conditions.

Please note that while efforts have been made to provide an accurate summary, it is always advisable to cross-reference information across multiple independent sources to ensure accuracy and up-to-date details.