Driving from Tri-Cities Airport to Watauga Lake — a real guide

The drive from Tri-Cities Airport to our townhouse takes about 50 minutes. Roughly 28 miles. It’s a pleasant drive once you’re past the first 15 minutes of interstate, but there are three or four things you’ll want to know before you do it — where to stop for groceries, when your cell service starts dropping bars, and the last gas station that matters. This guide walks the drive in order, so you can read it once and then just go.

I’ve made this drive maybe 400 times. Karen makes it more. Here’s how we’d hand it off to a friend who was coming for the first time.

Before you leave the airport

Two things to do before you start your engine.

Download offline Google Maps for the area. Search “Butler, TN” in Google Maps, then tap the place name at the bottom and choose “Download offline map.” Pick a generous radius. Your cell service will get unreliable for the last 15 minutes of the drive, and Google Maps without service will still navigate you in beautifully if you’ve cached the area.

Send our address to your driver and to yourself by text. If you have it in your messages, you can read it off the screen without service. We send the address in the check-in email; have it open.

Both rental car desks at TRI are inside the small terminal. The cars are in the lot across from the front doors. You’ll be on the road inside fifteen minutes of landing — TRI is a small, easy airport, which is one of the underrated reasons to fly into it.

Out of the airport

Leave the rental lot and follow signs for TN-394 / TN-75 / Highway 75. You’re heading south, away from the airport.

In about three miles, TN-75 puts you onto I-81 South. Take it. You’ll be on I-81 South for roughly 12 miles. This is fast, straight, easy interstate — nothing to learn.

The exit you want is Exit 57 / Stateline Road / TN-37 / US-321, marked for Elizabethton. Get off here.

Through Johnson City and Elizabethton

After Exit 57, you’re on TN-37 heading southeast. This becomes US-321 East, and US-321 East is the road you’ll be on for the rest of the drive. Once you find US-321, you can stop checking the GPS — it’s a straight shot from here to the lake. Stay on US-321 East. Period.

You’ll pass through the south edge of Johnson City. This stretch has chain restaurants, gas stations, a Walmart Supercenter on your left, and a Lowe’s. If you forgot something serious — a phone charger, a pack of diapers, real shoes — this is the place. After here, the shopping options thin out fast.

In about 10 miles, you’ll be in Elizabethton. The town wraps around US-321 and you’ll notice it. Slow down — the speed limit drops, the road becomes more residential, and there are stoplights.

The grocery stop: Look for the IGA on West Elk Avenue in Elizabethton. It’s right on your route, on your left, with parking that’s easy to pull into. This is the practical grocery stop for almost everyone who stays at the lake. Full produce section, real meat counter, plenty of beer and wine, a deli for sandwiches. Prices are fair. The folks who work there are friendly. You can do a full week’s groceries here in 25 minutes.

A few things the IGA is good for that you might not think of: firewood (in the parking lot in fall and winter), local honey, charcoal, basic kitchen supplies if you forgot something. Pick up paper towels — we provide some, but big groups go through them faster than we restock.

If you’d rather hit a bigger store, there’s a Food City about a mile farther on US-321, also on the left. Slightly larger selection, similar prices. Either works.

The gas stop: Top off your tank in Elizabethton if you’re under half. The next reliable gas station is in Hampton, and after Hampton there’s really nothing until you’re back this way. There’s a Marathon and a Shell on US-321 in Elizabethton, both fine.

Out of Elizabethton, into the mountains

Past the IGA and Food City, US-321 East starts to climb. The road narrows from four lanes to two. The houses thin out. You’ll cross the Watauga River on a bridge — the river you’re crossing is the one that feeds the lake you’re driving to, which is a nice piece of context.

For the next 8 to 10 miles, you’re climbing through the Cherokee National Forest. The road is two lanes with a yellow line, gentle curves, and the occasional pickup truck that’s going slower than you’d like. Be patient. There are passing zones but they’re short. The view is good. You’ll see signs for trailheads — Pond Mountain, Rat Branch, Watauga Lake Trail. If you’re tempted to stop, save it for a real hike later in your trip.

About 10 miles in, you’ll pass through Hampton. Hampton is small. Blink and you’ll miss it. There’s a Shell station on the left (the last real gas station before the lake), a small diner called Bob’s, and a few houses. The Appalachian Trail crosses US-321 right here — if you see a group of hikers in worn shoes with big packs, that’s why.

After Hampton, US-321 swings northeast and starts hugging the south shore of Watauga Lake. You’ll catch glimpses of water through the trees on your left. You’re close now.

Where the cell service drops

Right around Hampton, expect your bars to start dropping. Some carriers do better than others.

Verizon and AT&T: Coverage holds reasonably well to Hampton. Past Hampton, it gets thin. At the rental, you may have one bar of LTE, occasional 5G in good weather, sometimes nothing.

T-Mobile: Often worse than Verizon and AT&T in this area. T-Mobile users frequently get no service at the property at all.

Google Fi: Roams onto AT&T here. Same experience as AT&T.

This is the moment to lean on the offline map you downloaded at the airport. Your GPS will keep working — phone GPS doesn’t need cell service, just satellites. You just won’t be able to look up a restaurant, text a friend, or stream music for the last 15 minutes.

The good news: WiFi at the property is solid. Symmetric 300 Mbps down and 300 Mbps up, plenty for streaming and HD video calls. Once you’re inside, you’re connected. The cell-service issue is real but limited to the outdoor patios and the drive in.

The last few miles to the rental

After Hampton, US-321 follows the south shore. You’ll see a sign for Watauga Lake — a brown recreation sign — and on your left you’ll start passing some of the lakefront cabins and the entrance to Shook Branch Recreation Area (the swim beach, worth knowing for later).

The turn into our neighborhood is off US-321 onto a smaller road that climbs uphill to the cluster of townhouses. Your offline GPS will route you correctly. The turn is sharp and easy to miss if you’re not watching for it — pre-zoom your map a half-mile out.

One important note for the driveway: the driveway up to the townhouse is steep. Genuinely steep. Most cars handle it fine, but if you’re in a low-clearance car (a Mustang, a sedan with sport suspension), take it slow on the approach. In winter with snow or ice, AWD or chains matter. If you’re using a rideshare or taxi for the last mile, tell the driver the driveway is steep — they appreciate the warning, and some have refused steep driveways without it.

The rental check-in info is in your email, with the door code and parking instructions. Park, breathe, look up at the porch. You’re here.

A summary of the drive in order

1. Out of TRI rental lot, follow signs for TN-75
2. South on I-81 about 12 miles to Exit 57
3. Exit 57, then onto US-321 East
4. Through Johnson City (last big-box shopping)
5. Into Elizabethton, stop at IGA for groceries (30 minutes in)
6. Top off gas in Elizabethton
7. Climb through Cherokee NF on US-321 East
8. Through Hampton, last reliable gas, last solid cell service
9. South shore of Watauga Lake on your left
10. Turn off US-321 to our neighborhood, up the steep driveway, you’re at the door

About 50 minutes total. Add 20 if you stop for groceries, which you should.

What to expect at TRI on the way back

For the return trip: leave the rental two and a half hours before your flight. The drive back is the same 50 minutes (sometimes less, since the climb is now a descent and you’ll be more familiar with the road). The rental car return at TRI is fast — five minutes. TSA is rarely a wait. You can comfortably eat at one of the restaurants near the rental return on US-321 in Johnson City before the airport, since there’s not much food inside the terminal.

If you’re catching an early-morning flight (anything before 7 AM), be conservative on departure time. The drive isn’t difficult but in the dark, on an unfamiliar road, it goes slower than it does in daylight.

That’s the drive. It’s a good one. Karen and I drive it pretty much every week, and the climb into the mountains still gets us — especially the first stretch past Elizabethton when the trees close in and you realize you’ve left the lowlands.

See you at the top of the driveway.