The Upper Yaquina River Preserve, located in the state of Oregon, offers visitors a serene and picturesque natural environment to explore. This summary is based on information from multiple independent sources to ensure accuracy.

Reasons to Visit:
1. Breathtaking Scenery: The preserve is nestled in the heart of Oregon's Coast Range, encompassing diverse habitats such as old-growth forests, wetlands, and meadows. This stunning landscape provides a perfect getaway for nature enthusiasts and those seeking tranquility.
2. Wildlife Observation: The area is teeming with wildlife, making it a haven for birdwatchers and wildlife photographers. Visitors have the opportunity to spot a variety of species, including the great blue heron, bald eagles, red-tailed hawks, black-tailed deer, and even elk.
3. Hiking and Recreation: The preserve offers several well-maintained trails that wind through the lush forests and along the river, providing outstanding opportunities for hiking, walking, and picnicking. The pristine surroundings also make it a popular spot for fishing, kayaking, and canoeing.

Points of Interest:
1. Yaquina River: The preserve sits along the scenic Yaquina River, which offers stunning views and the chance to observe river otters playing in the water.
2. Tree Giants: The area boasts ancient giant trees, some of which are centuries old. These awe-inspiring giants provide a sense of wonder and a habitat for various species.
3. Native Plants: The preserve is home to a diverse range of native plants, including trilliums, ferns, and mosses. Visitors can enjoy the vibrant colors and unique textures of these flora throughout the year.

Interesting Facts:
1. Conservation Efforts: The Upper Yaquina River Preserve is managed by The Nature Conservancy, an organization dedicated to preserving important ecosystems. The preserve serves as a model for sustainable land management and habitat restoration.
2. Sensitive Salmon Spawning Grounds: The Yaquina River is a crucial spawning ground for salmon, which highlights the importance of preserving and protecting this area to maintain the delicate balance of the ecosystem.

Best Time to Visit:
The best time to visit the Upper Yaquina River Preserve is during the spring and summer months (May to September). This period offers pleasant weather, blooming wildflowers, and a higher chance of observing wildlife. During the fall, the changing foliage adds an extra layer of beauty to the landscape. However, it's always recommended to check with official sources or visitor centers for the latest information and any seasonal closures.

Please note that due to the dynamic nature of natural environments, it is always advisable to confirm the accuracy of this information by consulting official sources or visitor centers before planning a visit to the Upper Yaquina River Preserve.