Hidden Valley and Primm Valley Extreme RZR Tour from Las Vegas. Take an exhilarating ride through Primm Valley and Hidden Valley on an RZR. During this 6-hour adventure departing from Las Vegas, follow your experienced adventure guide over mountain and desert terrain while driving your own juiced-up, all-terrain golf cart. This RZR is the longest in Vegas and includes all safety equipment and round-trip transportation from Las Vegas hotels. Book and Save 63%: Hidden Valley and Primm Valley Extreme RZR Tour from Las Vegas.