Over 100. Most people who visit only see one or two.
The Great Smoky Mountains National Park cuts through the heart of Sevier County, and the park alone has more than 100 named waterfalls and cascades. That number comes from the NPS and gets repeated consistently across trail guides and ranger resources. It doesn't count the unnamed slides and seasonal drops that show up after heavy rain, which push the real figure higher.
The park gets around 80 inches of rain a year (up to eight feet at higher elevations), and the terrain drops dramatically from ridge to valley. Water plus steep rock, hundreds of times over. That's why the count is what it is.
What follows is a rundown of the ones worth knowing in Sevier County, organized roughly by how hard you have to work to reach them.
The Sinks sits right on Little River Road. What looks like a waterfall is actually the Little River vanishing into a churning pool before resurfacing downstream, the result of dynamiting done decades ago when workers were widening the road. The pool looks inviting on a hot day. Don't swim in it. People have drowned there.
Meigs Falls is 15 feet of water dropping into a rhododendron-shaded pool on the far side of the river, visible from a pull-off along Little River Road between the Sugarlands Visitor Center and the Townsend Wye. Most cars blow right past it.
Friendly Falls is on Wears Valley Road, on private property next to a local restaurant. You can watch it from your table. It's not tall. It doesn't need to be. Most visitors to Sevier County will never hear about it.
Laurel Falls gets the most foot traffic of any waterfall trail in the park, and the parking situation shows it. Get there before 9 a.m. on a weekend or you'll sit in your car waiting for a spot. The payoff: an 80-foot cascade split into two sections with a walkway crossing the middle, so you're standing on top of the falls looking down. One of four paved trails in the park. About 2.6 miles out and back.
Grotto Falls is 1.3 miles in on the Trillium Gap Trail through old-growth hemlock forest. The trail goes behind the falls, not in front of them. You walk through the spray. The rocks back there are covered in moss and liverworts and the whole thing smells like cold water and mud. Salamanders everywhere. Bring a light layer even in July.
Cataract Falls is flat, short, and quiet. Less than a mile round trip. If you want the experience without the mileage, this is the one.
Rainbow Falls earns its name on sunny afternoons when the mist off the 80-foot drop throws a rainbow out in front of the cliff face. In a cold winter it sometimes freezes into a column of ice shaped like an hourglass. The trail is 5.4 miles round trip with about 1,500 feet of climbing, harder than it reads on paper. The trail continues past the falls another four miles to the top of Mount Le Conte if you want to keep going.
Hen Wallow Falls starts in Cosby, on the eastern end of the park where the crowds thin out. The falls fan out to about 20 feet wide at the base, which gives them a different look than most Smokies waterfalls, more curtain than plunge. 95 feet tall. Worth the drive out there just for the quiet.
Baskins Creek Falls requires a short scramble near the bottom and the trailhead isn't well signed, which keeps the numbers down. Two tiers. Good creek-side approach. Local knowledge helps more than a map app here.
Ramsey Cascades is the tallest waterfall in the park at roughly 100 feet, reached by 8 miles of hiking with over 2,000 feet of elevation gain through cove hardwood forest. The trees on that trail (tuliptrees, yellow birches, silverbells) are some of the biggest in the Appalachians. Most people who've done it will tell you the walk in is as good as the destination. Budget five to seven hours minimum.
The park has at least 18 named falls on the Tennessee side. This list covers the biggest and most accessible from Sevier County. If you want the full rundown, the Sugarlands Visitor Center near Gatlinburg has trail maps and can point you toward whatever is running best that time of year.