Highway 39 is a state highway located in the state of California. It runs through Orange County and connects the city of Brea to San Gabriel Canyon. The highway is known for its scenic views and access to outdoor recreational areas. The route is approximately 20 miles long and serves as a vital link for local traffic. It also provides access to various parks and natural attractions, making it popular among residents and visitors alike. Highway 39 is an important corridor for both commuters and those seeking outdoor adventures in the surrounding areas.