Great Smoky Mountains National Park (Cades Cove)
Most-visited US national park (12M visitors/yr). VERY restrictive on dogs — pets ONLY allowed on Gatlinburg Trail and Oconaluftee River Trail (not on hiking trails). Cades Cove Loop Road is dog-friendly while in vehicle. Pet-friendly campgrounds. | 10042 Campground Dr, Townsend, TN 37882 | 522,427 acres | 2 miles of trails | Source:
Dog Parks Hub: Great Smoky Mountains National Park (Cades Cove)

Great Smoky Mountains National Park (Cades Cove)
Most-visited US national park (12M visitors/yr). VERY restrictive on dogs — pets ONLY allowed on Gatlinburg Trail and Oconaluftee River Trail (not on hiking trails). Cades Cove Loop Road is dog-friendly while in vehicle. Pet-friendly campgrounds. | 10042 Campground Dr, Townsend, TN 37882 | 522,427 acres | 2 miles of trails | Source:
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Dog Parks Hub