Chino Hills
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For the city, see Chino Hills, California.
The Chino Hills are a mountain range on the border of Orange, Los Angeles, and San Bernardino Counties, California, with a small portion in Riverside County. They continue the line of the Santa Ana Mountains northwest from Santa Ana Canyon to Brea Canyon, where the Puente Hills lead both west and northeast. The only paved road crossing is State Route 142 through Carbon Canyon.