Paradise Valley is a census-designated place in Humboldt County, Nevada, United States, near the Santa Rosa Ranger District of Humboldt National Forest. It is located at the northern terminus of Nevada State Route 290, about 19 miles northeast of U.S. Highway 95 and a total of 40 miles north of Winnemucca. The town is located in a broad valley, with the Santa Rosa Range of mountains just to the northwest. At the 2010 census, the population of the CDP was 109.