are there any resorts that allow a small (4 pound dog) in Nashville. Also, if you were only to spend one day there what would you do?
Most starwood resorts allow pets.
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Here's a list of 10 pet-friendly hotels in Nashville:
If I were visiting Nashville for a day with a pet, I would go to Bicentennial State Park, including a visit to the Farmers Market. Also, grab a seat at the patio at The Southern, a dog-friendly restaurant in downtown.
I would google Nashville hotels that allow pets