The city of Rancho Cucamonga is located in San Bernardino County south of the San Gabriel Mountains and the famous Angeles National Forest. It is best known for its outdoor mall, Victoria Gardens, and close proximity to Ontario Airport. Rancho Cucamonga is also part of the historic Route 66. The city sees many travelers on their way to Las Vegas on the 10 freeway.Rancho Cucamonga has a population of about 171,400. The most dangerous intersections are between Foothill Blvd. and Day Creek Blvd. In the last 5 years, there have been 113 accidents that resulted in 39 injuries and 0 deaths.