Acadia to the Great Smoky Mountains Road Trip: The Appalachian Route

Three National Parks sit on the spine of the Appalachians, or close enough: Acadia on the Maine coast, Shenandoah on the Blue Ridge in Virginia, and the Great Smoky Mountains on the Tennessee and North Carolina line. Link them and you drive about 1,275 miles, following the Appalachian Trail's mountains south from Maine.

The trail itself runs through the last two parks and ends well north of the first, so think of it as the trip's backbone rather than its route. You'll drive beside it, step onto it at both parks, and see how the mountains change over a thousand miles. Each park gets a short plan here, and the full days are in my guides.

Appalachian Road Trip at a Glance

• Parks: Acadia, Shenandoah, and Great Smoky Mountains.
• Start and finish: Bar Harbor, Maine, to Gatlinburg, Tennessee (one way).
• Driving: about 1,275 miles one way, including all 105 miles of Skyline Drive.
• Time behind the wheel: about 22 hours, before stops.
• How many days: 8 at the least, 11 to 14 to enjoy it.
• Best seasons: mid-September through October, and May and June.
• Pass: the $80 America the Beautiful annual pass covers Acadia and Shenandoah. The Smokies charge no entrance fee, but parking there takes a tag.

Orientation sketch, not to scale. Check the official park maps for detail. Routes © OpenStreetMap contributors (ODbL); state lines from the U.S. Census Bureau.

How Many Days Do You Need?

I'd plan on 11. Here's the math. You need 2 days to get from Maine to Virginia, 2 days to drive Skyline Drive properly, and 1 day for the run to Gatlinburg. Add 2 days each at Acadia and the Smokies, plus an arrival day and a departure day, and that's 11.

In 8 days, you'll cut each park to a single full day and take Skyline Drive in one go. If you want to hike, 14 days gives you room for a longer walk on the trail at each stop. And if you only have a week, drop Acadia: Shenandoah and the Smokies are a one-day drive apart.

Which Direction to Drive It

South, for the same reason the trail's southbound story reads well: Maine's cool coast first, then longer and warmer mountains. In fall it also tracks the color, since the high ridges turn first and the lower valleys follow.

Fly into Bangor, or into Boston (about 280 miles from Bar Harbor, 5 hours), and out of Knoxville's McGhee Tyson Airport, about 45 miles from the Gatlinburg entrance. A one-way rental will usually carry a drop fee, so price that before you book your flights. If it's steep, a loop back to Boston works, but it adds about 1,000 miles.

The Route, Leg By Leg

Bar Harbor and Mount Desert Island

Acadia sits on the coast, and the trail doesn't reach it. The Appalachian Trail ends at Katahdin, in northern Maine, a good half-day inland from Bar Harbor, so if finishing the idea matters to you, drive up for a look before you come south. Otherwise, start with salt water and granite.

In 2026, Cadillac Summit Road needed a $6 vehicle reservation from May 20 through October 25, sold on Recreation.gov and separate from your entrance pass. The Park Loop Road closes to cars from December 1 to April 14, apart from two short sections, so this isn't a winter trip.

A short plan for Acadia: Begin at the Hulls Cove Visitor Center with food in the car. Follow the Park Loop Road to Sand Beach and walk Ocean Path to Thunder Hole and back. Stop at Otter Cliffs, then eat at Jordan Pond, your turnaround, where the view of the Bubbles is the point. The restaurant there is seasonal. Full days are in my Acadia National Park guide.

Acadia National Park. Coastal islands seen from Cadillac Mountain on a clear day. Photo: Victoria Stauffenberg, National Park Service. Public domain.

Bar Harbor to Front Royal: About 830 Miles, 13.5 Hours

Take two days. Follow Maine 3 and U.S. 1A to Bangor, then Interstate 95 south past Portland into Massachusetts, the Massachusetts Turnpike west to Interstate 84, and I-84 through Hartford to Scranton. There you pick up Interstate 81 and ride the Great Valley south through Pennsylvania, a corner of Maryland, and into Virginia. Interstate 66 east takes you to Front Royal. Hartford is the natural overnight, about 385 miles from Bar Harbor.

The Appalachian Trail crosses these highways more than once, usually with nothing but a sign. If you want a real stop, Harpers Ferry National Historical Park, where the trail passes through town, is a short detour east of I-81 in West Virginia.

Skyline Drive: 105 Miles, 3 to 4 Hours

Skyline Drive runs the length of the park on the crest of the Blue Ridge, and the Appalachian Trail runs alongside it for roughly 100 miles, crossing it again and again. Entrances are at Front Royal (mile 0), Thornton Gap (mile 31.5), Swift Run Gap (mile 65.5), and Rockfish Gap (mile 104.6). Parts of the drive close at times in bad weather, and the park warns that GPS can be wrong here.

A private vehicle pays $30 for seven days, and the stations have been cashless since July 2025. Food is sold about every 25 miles, in season. Fall is the catch: the leaf-season crowds are heavy, and Skyland's 2026 season ended on November 8.

A short plan for Shenandoah: Enter at Front Royal and drive to the Stony Man parking area, about mile 42. Walk up the Appalachian Trail to the Little Stony Man and Stony Man cliffs, 1.6 miles round trip. Have lunch at Skyland, open spring through fall, then turn around at Big Meadows, mile 51, if you're not continuing south. Full days are in my Shenandoah National Park guide.

Shenandoah National Park. Layered Blue Ridge spurs from the Stony Man summit in April 2012 (National Park Service photograph by Brett Raeburn; public domain). Photo: Brett Raeburn, National Park Service, Wikimedia Commons. Public domain.

Shenandoah National Park. Granite outcrops near the summit of Old Rag in June 2026, with the Blue Ridge behind (National Park Service photograph by Tom Reece; public domain). Photo: Tom Reece, National Park Service, Wikimedia Commons. Public domain.

Rockfish Gap to Gatlinburg: About 340 Miles, 5.5 Hours

From Rockfish Gap, Interstate 64 west joins Interstate 81, and I-81 runs southwest through Roanoke and Bristol. Take Interstate 40 west to exit 407, then Tennessee 66 and U.S. 441 through Sevierville and Pigeon Forge to Gatlinburg. That last stretch is the slow part, particularly on fall weekends.

The prettier choice would be the Blue Ridge Parkway, which starts where Skyline Drive ends. I'd check it before committing. As of its September 2026 update, the Park Service listed work at 45 remaining sites from Hurricane Helene, with the worst damage between about mileposts 317 and 355, and estimated all road projects would finish by the end of 2026. It also takes days, not hours.

The Smokies hold the trail's highest ground: Kuwohi, at 6,643 feet. Newfound Gap, at 5,046 feet, is the lowest drivable pass through the park, and the Appalachian Trail crosses the road there on its roughly 70 miles through the park. There's no entrance fee, but every vehicle parked for more than 15 minutes needs a parking tag, which at research time cost $5 a day or $15 a week.

A short plan for Great Smoky Mountains: Get your parking tag at Sugarlands Visitor Center and pack lunch, since the park has no restaurants. Climb Newfound Gap Road to the gap, where you can walk a stretch of the Appalachian Trail. Picnic near the overlook, then take Kuwohi Road, closed in winter, to the tower, your turnaround. Full days are in my Great Smoky Mountains National Park guide.

Great Smoky Mountains National Park. Yellow wildflowers and spruce frame clouds lifting off the ridges at Newfound Gap, in an August 2018 park photograph by Andrea Walton. Photo: Andrea Walton, Great Smoky Mountains National Park, Great Smoky Mountains National Park on Flickr (via Wikimedia Commons). Public domain.

Great Smoky Mountains National Park. Weathered cabins of LeConte Lodge among spruce and fir near the summit of Mount Le Conte, May 2015 (park photograph by Andrea Walton). Photo: Andrea Walton, Great Smoky Mountains National Park, Great Smoky Mountains National Park on Flickr (via Wikimedia Commons). Public domain.

A Sample 11-Day Driving Schedule

This is the driving skeleton only, so you can see where the miles fall. The park days are in the guides.

Day	Drive	Driving Time	Overnight Town
Day 1	Boston to Bar Harbor, about 280 miles	5 hours	Bar Harbor
Day 2	Acadia, driving from Bar Harbor	Local driving	Bar Harbor
Day 3	Acadia, driving from Bar Harbor	Local driving	Bar Harbor
Day 4	Bar Harbor to Hartford, about 385 miles	6.5 hours	Hartford
Day 5	Hartford to Front Royal, about 445 miles	7 hours	Front Royal
Day 6	Skyline Drive, Front Royal to Big Meadows, about 51 miles	2 hours	Big Meadows, or Luray
Day 7	Skyline Drive, Big Meadows to Rockfish Gap, about 54 miles	2 hours	Waynesboro
Day 8	Waynesboro to Gatlinburg, about 340 miles	5.5 hours	Gatlinburg
Day 9	Great Smoky Mountains, driving from Gatlinburg	Local driving	Gatlinburg
Day 10	Great Smoky Mountains, driving from Gatlinburg	Local driving	Gatlinburg
Day 11	Gatlinburg to Knoxville's airport, about 45 miles	1 hour	Fly home from Knoxville

Where to Stay Along the Way

• Acadia: Bar Harbor is the practical base for the east side of the island, with Southwest Harbor for the west. Blackwoods, Seawall, and Schoodic Woods are the park's campgrounds, reserved on Recreation.gov.
• Shenandoah: Skyland (miles 41.7 and 42.5) and Big Meadows Lodge (mile 51) book early in fall. Front Royal, Luray, and Waynesboro are the towns outside.
• Great Smoky Mountains: Gatlinburg is closest to the main road, Townsend is quieter, and Cherokee serves the North Carolina side. LeConte Lodge is the only lodging in the park, reached only on foot and booked up long in advance.

Best Time of Year to Drive It

Mid-September through October is the classic window. Acadia's color generally peaks in mid-October, and the southern mountains turn later than that. Expect the largest crowds of the trip on October weekends, and book rooms early.

May and June are the second-best choice: green mountains, wildflowers in Shenandoah, and fewer leaf-peepers. Maine services open gradually through May and June, so June is better at that end. July and August work, with busy Acadia and hot, humid valleys in the south. Winter isn't for this route, since the Park Loop Road closes and snow can shut Skyline Drive and Newfound Gap Road.

Road Trip Tips for the Appalachians

• Count Skyline Drive as slow miles. The speed limit is low, the overlooks are constant, and it won't save you time over I-81.
• Keep food in the car. The Smokies sell no meals inside the park, and Acadia's food is limited and seasonal.
• Dress for the ridge. The high country runs 10 to 20 degrees cooler than the valleys in the Smokies, and rain in Gatlinburg can be snow at Newfound Gap.
• Treat the trail as a walk, not a goal. Stony Man and Charlies Bunion, 8 miles round trip from Newfound Gap, are both on the Appalachian Trail and fit a road trip day.
• Check the alerts before each leg, particularly Newfound Gap Road and Kuwohi Road after snow or storms.
• Carry a card. Shenandoah is cashless at its stations.

Plan Your Days Inside Each Park

This post gets you from park to park, with a short plan for each stop. The full days are what my guides are for: each one has nine itineraries for one, two, or three days at easy, moderate, and strenuous effort, each with a backup plan for bad weather or a closure, plus orientation maps, the park's history, and the animals you're likely to see. You get an EPUB and a printable PDF, so the day's plan can ride in the car with you.

• Acadia National Park: nine itineraries, 15 animals to look for, 9 maps, and 28 photographs
• Shenandoah National Park: nine itineraries, 14 animals to look for, 4 maps, and 35 photographs
• Great Smoky Mountains National Park: nine itineraries, 14 animals to look for, 6 maps, and 35 photographs

Short on time at one stop? Just an Afternoon is my free four-hour plan for every U.S. National Park.

Appalachian Road Trip FAQ

Does the Appalachian Trail go through Acadia? No. It ends at Katahdin in northern Maine. It does run through Shenandoah and Great Smoky Mountains, and this route reaches it at both.

Should I drive the Blue Ridge Parkway instead of I-81? Only if you have the days. It's a slow road, and it was still under repair in 2026. If you want it, plan it as its own trip and check the Park Service's Helene recovery page first.

Can I do this in an RV? Mostly, with care. RVs, trailers, and vehicles over 21 feet aren't allowed on Cadillac Summit Road, some Park Loop Road bridges are low, and Skyline Drive has a tunnel to clear, so check your height against each park's numbers.

Do I need reservations to enter? Not to enter as of November 2026, but Cadillac Summit Road has its own seasonal reservation, and the Smokies need a parking tag. Check Acadia National Park alerts and Great Smoky Mountains National Park alerts before you lock in dates.

More Road Trips and Park Pages

• East Coast National Parks Road Trip: Maine to the Florida Keys
• Cross-Country National Parks Road Trip: Acadia to Olympic in 12 Parks
• Blue Ridge Parkway Road Trip: Shenandoah to the Smokies the Slow Way
• Visiting Acadia National Park with kids
• Visiting Great Smoky Mountains National Park with kids

Before you go: roads, campgrounds, and visitor centers close for snow, fire, and repairs, so check each park's alerts and current conditions, updated daily: Acadia, Shenandoah, Great Smoky Mountains. For every park at a glance, see the park conditions dashboard.

Planning a different route? See all my National Park road trips.

This is an independent guide. It is not affiliated with or endorsed by the National Park Service. Driving times are estimates without stops, and conditions change; check each park's current alerts before you go.