Mustang Sally's Saloon
A saloon-style dive on Foothill Blvd — one of the rooms where the city's old character still drinks.
Terra Vista is master-planned Rancho Cucamonga — shopping centers, stucco, sensible landscaping — which makes Mustang Sally's Saloon the neighborhood's best contradiction. It's a saloon-style dive on Foothill Blvd doing what dives do: pouring drinks for regulars without a theme, a concept, or a marketing plan.
This site will tell you honestly that RC's nightlife is modest. There's no bar district and no club scene — the dives are the scene, and Mustang Sally's is a load-bearing member of it. The name promises a little country swagger; the room's real offer is simpler and better: a stool, a drink, and nobody keeping score.
If you're mapping the city's old-bar circuit, this pairs naturally with Hide-A-While down Foothill and the Roadhouse out in Etiwanda. Three rooms, zero pretense, and more of the city's actual personality than any patio at the mall.
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Hide-A-While Bar & Lounge
A classic Route 66 dive on Foothill Blvd — the name is the mission statement.

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The Etiwanda Roadhouse
Etiwanda's roadhouse bar on Highland Ave — the east side's drink-and-talk room.

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Lucky Strike
Forty lanes, a sports bar, and billiards on Haven Ave — the old Bowlero, reflagged as Lucky Strike.