Rio Grande Address: 503 1st Ave S, Nitro, WV 25143 Phone: (304) 722-6069 Cuisine: Mexican Nice to Know: Good For Kids Yes Noise Level Loud Accepts Credit Cards Yes Good For Groups Yes Restaurants, Mexican Other Businesses: Dairy Queen at 3601 36th St, Nitro, WV 25143 Tudor's Biscuit World at 4116 1st Ave, Nitro, WV 25143 Lisa's at 504 1st Ave S, Nitro, WV 25143 Hot Spot at 1428 Main Ave, Nitro, WV 25143 Diehl's Restaurant at 152 Main Ave, FRNT, Nitro, WV 25143