Jeffrey Open Space spans approximately 900 acres, making it one of the largest open space reserves in Orange County. It's situated in the heart of Irvine and is bordered by major roadways such as Jeffrey Road, Trabuco Road, and Irvine Boulevard. The open space features an extensive network of trails and pathways that wind through its various landscapes.

Jeffrey Open Space showcases the natural beauty of Southern California, offering picturesque views of rolling hills, meadows, and woodlands. It includes native plant communities, wildflower fields, and scenic vistas that provide a serene and tranquil environment. The open space serves as a habitat for numerous plant and animal species, promoting biodiversity and ecological preservation. It is home to various wildlife, including birds, rabbits, squirrels, and reptiles, many of which you'll spot if you do this hike and traverse the entire park.

Throughout the open space, you'll find amenities such as picnic areas, benches, and interpretive signs providing information about the local flora and fauna. There are also designated play areas for children and designated spaces for organized sports activities. Within Jeffrey Open Space, you can also find historical landmarks and cultural elements that reflect the area's heritage. These include remnants of the historic Irvine Ranch, adding to the educational and cultural dimension of the area.

The route is accessible all year from multiple spots, so whether you do the whole trip or just a short section, enjoy some peace in the heart of Irvine.