Leave Vernal around 7:00 AM for the roughly 5–5½-hour drive via US-191 toward Rock Springs, then I-15 north to Idaho Falls. It’s an easy but fairly long road day: fuel up before leaving, keep snacks and water handy, and plan a couple of short breaks around Rock Springs or Pocatello. Expect wide-open Wyoming scenery, changing mountain views, and limited services on parts of US-191, so don’t let the tank get too low. After arriving, settle in with family and allow a little downtime before sightseeing.
Spend about an hour on the Idaho Falls River Walk, an easy paved route beside the Snake River with bridges, landscaped sections, and good views of the falls. The downtown riverfront is compact, and parking is generally straightforward near the greenbelt; late afternoon is a pleasant time to walk without the stronger midday sun. Continue to the Museum of Idaho downtown for approximately 1½ hours. Its galleries focus on regional history and rotating exhibitions; allow extra time if a temporary exhibit catches your interest. Check the museum’s current closing time and admission pricing before setting out, as schedules can vary by season.
Return to The Falls for a short early-evening stop—about 30 minutes is enough for photographs and a relaxed look at Idaho Falls’ namesake landmark. The riverfront is especially attractive as the light softens, and you can easily walk between the overlook areas and nearby downtown streets. For dinner, head to SnakeBite Restaurant, a casual downtown choice with American fare and typical prices of about $15–30 per person. It can fill up during the dinner rush, so arriving on the early side is wise; afterward, keep the evening low-key for the next day’s drive.
After arriving in Bozeman from Idaho Falls, start with a 1½-hour soak at Bozeman Hot Springs Spa. It’s a good way to loosen up after the drive, with several pools ranging from cool to very hot, plus steam rooms and a fitness area. Morning hours are typically available from 6:30 AM, though check the schedule before leaving; day admission is generally around $18–25. Bring sandals and a towel, or rent them there. Allow a little extra time to change before driving about 15 minutes west to Montana Grizzly Encounter near Bozeman.
Spend roughly an hour at Montana Grizzly Encounter, a small educational sanctuary where rescued grizzlies can be viewed from secure areas. It usually opens around 10:00 AM seasonally, with admission commonly about $12–15; confirm hours because late-season schedules can change. From there, continue west toward Livingston and stop at Pine Creek Lodge for lunch. The mountain setting is the main attraction, and the relaxed pace suits a road day—budget approximately $15–30 per person and check the day’s kitchen hours before setting out, as seasonal service can vary.
Allow about 3½ hours for the drive from the Livingston area to Missoula via US-191 and I-90, with a fuel or coffee stop around Butte if needed. Check in at Courtyard Missoula, then spend an hour wandering downtown on the Missoula Public Art Tour. The route is easy on foot around Higgins Avenue, Main Street, and the Clark Fork River, where murals, sculptures, and installations appear throughout the center. Finish at Tamarack Brewing Company for Montana beer and pub fare, generally $20–35 per person. It’s a short walk or quick drive from downtown; expect a busy dinner period and consider arriving before 6:00 PM if you prefer a quieter table.
Leave Missoula around 7:30 AM and follow US-93 north to Kalispell, allowing roughly 2½ hours without a long stop. The road is straightforward, but the final approach through the Flathead Valley can slow down around Columbia Falls and Whitefish, so keep the morning moving. Continue first to Whitefish Lake State Park, where a short lakeside walk gives you an immediate taste of the mountain scenery without committing to a strenuous hike. The day-use fee is typically around $7 per vehicle for Montana residents or $10 for nonresidents; bring a card, water, and a light layer, since the lake can feel cool even in September. Allow about 90 minutes, including time for parking and photographs.
Drive into downtown Whitefish—about 10 minutes from the state park—and have lunch at Loula’s Café, a popular, casual spot on Central Avenue known for generous comfort-food plates and homemade-style breakfasts. Expect approximately $15–30 per person, and try to arrive before the main lunch rush because seating can be limited. After eating, leave a little time to wander the compact downtown blocks rather than rushing straight back to the car; the galleries, independent shops, and historic storefronts are part of Whitefish’s appeal.
From Whitefish, allow about 45–55 minutes to reach Lake McDonald Lodge via US-2 and the west entrance to Glacier National Park. Stop for an hour to see the historic lodge and walk down to the lakeshore; the red buses, rustic architecture, and broad view across the water make this one of the easiest scenic introductions to the park. September access and parking can change with construction, weather, or Going-to-the-Sun Road restrictions, so check the National Park Service road-status page before leaving Whitefish. Continue a few minutes to Apgar Village for an easy late-afternoon stroll, browsing the small shops and enjoying the shoreline near the foot of Lake McDonald. Carry snacks and water—services inside the park can have limited hours late in the season—and remember that a park entrance fee or pass is required.
After Apgar Village, drive roughly 35–45 minutes back to Kalispell for check-in at SpringHill Suites by Marriott Kalispell. This is a good night to keep dinner simple and rest rather than add another attraction; the next day is best started early for more time in Glacier. Before settling in, refuel the car and confirm the following morning’s park plan, since September sunrise temperatures can be chilly and road conditions may change overnight.
Leave Kalispell around 5:30–6:00 AM and drive to Glacier National Park’s West Entrance, allowing roughly 45 minutes before stops and entrance-line delays. This is the right day to start early: parking at Logan Pass fills quickly, and September access can change with weather, construction, or early-season snow. Check the park’s official road conditions the evening before, and confirm whether a vehicle reservation or shuttle arrangement is required for your date. The climb toward Logan Pass takes about two hours without stopping, but plan four to five hours with overlooks; pull over only in signed areas, since roadside shoulders are narrow. Carry water, warm layers, and bear-aware food storage—conditions at the pass can feel like winter even when Kalispell is mild.
On the return west, stop at Trail of the Cedars near Avalanche for its accessible boardwalk through towering western red cedars and hemlocks. Allow about an hour, and arrive as soon as practical because the small parking area is busy; if it is full, wait for a space rather than parking along the highway. Continue to Logan Pass Visitor Center if you did not make a full visit on the drive up, allowing about 45 minutes for the exhibits, restrooms, and wide-open Continental Divide views. From there, walk to Hidden Lake Overlook, a roughly 1.5- to 2-hour round trip. The trail is exposed and can be icy or muddy in September, so bring traction if the forecast is marginal and turn around if clouds erase the route or wildlife closes the trail. There are no dependable meal options at the pass, so pack a picnic from Kalispell and keep it secured from wildlife.
Return through West Glacier and have dinner at Belton Chalet, a historic lodge just outside the park. Expect about $30–60 per person, and reserve ahead if possible; after a long park day, this is much more comfortable than trying to find a last-minute table in the valley. Allow an hour or a little longer, then drive back to Kalispell. Keep the evening simple—fuel the car, check the next day’s border and mountain-road conditions, and be prepared for deer on US-2 after dark.
Leave Kalispell around 6:30 AM, following US-2 east and then US-89 toward St. Mary. Allow at least 3½–4½ hours for the drive with scenic pullouts, possible construction, and park-entry logistics. The route becomes especially beautiful near East Glacier, with broad views of the plains meeting the mountains. Fill the tank before leaving the Flathead Valley, carry breakfast and water, and check current road conditions before setting out; September weather can bring frost, rain, or early snow.
Spend about 45 minutes at St. Mary Lake, using the shoreline viewpoints for photographs and a quiet stretch of mountain scenery. Then continue to the St. Mary Visitor Center for 30–45 minutes. Rangers can confirm road closures, trail conditions, border status, and any restrictions affecting your onward drive. The visitor center is generally open seasonally during daytime hours, but September schedules can change, so verify hours before departure. Parking is straightforward, though arriving earlier gives you a much better chance of finding space.
Before crossing into Canada, stop at the Waterton–Glacier International Peace Park viewpoint for roughly 45 minutes. It is an excellent final panorama of the international park landscape, and the open setting feels very different from the forested sections farther west. From there, allow 2–2½ hours to reach Cardston via US-89 and the Chief Mountain border crossing, including customs delays. Carry passports and confirm that your vehicle and rental agreement permit a one-way international crossing; Chief Mountain has seasonal operating hours and may close in poor weather. If it is closed, use the longer Sweet Grass–Coutts crossing instead.
After checking in, have dinner in the dining room at Remington’s Carriage House Inn, a relaxed and convenient choice in Cardston. Budget about C$25–45 per person for a sit-down meal, and call ahead if arriving later since small-town dining hours can be limited in September. Keep the evening easy after the long day: Cardston is quiet after dark, and the surrounding prairie and mountain views are best enjoyed from the road or hotel rather than by trying to add another formal stop.
Start at Remington Carriage House Inn with breakfast and an unhurried coffee, allowing about 45 minutes. Confirm breakfast hours with the inn the evening before, since service can be seasonal. From there, it is only a short drive through Cardston to the Remington Carriage Museum. Give the museum roughly 1½ hours to see its remarkable collection of horse-drawn vehicles; admission is generally in the modest museum range, but check current pricing and opening hours before setting out, as September schedules can be reduced.
After the museum, depart Cardston around noon for Fort Macleod, following AB-2 south and east for approximately 1¼ hours. Stop for fuel or a takeaway lunch before leaving town, since options become sparse on the open prairie. Continue to Head-Smashed-In Buffalo Jump World Heritage Site, west of Fort Macleod, for the early afternoon. Plan about two hours for the interpretive center, exhibits, and the short trails overlooking the jump; wear sturdy shoes and bring water, as the site is exposed and windy. Admission is typically around C$15–20 per adult, with seasonal hours worth checking ahead.
Return to Fort Macleod for the Fort Museum of the North West Mounted Police, allowing about 1½ hours for the historic fort complex and exhibits. It is best visited before late-afternoon closing, so check the September timetable and aim to arrive with some margin after the buffalo-jump visit. Afterward, leave the car parked and wander a little around the old downtown before dinner at Jonny’s Café, a casual local choice where you can expect roughly C$15–30 per person. If the day has run long, call ahead for the kitchen’s closing time; small-town service can wind down earlier than expected.
Allow roughly 45 minutes at the Empress Theatre, a beautifully restored 1912 vaudeville theater on 24 Street. Check the current opening schedule before leaving your hotel—hours can be limited outside event times—and expect a small admission or tour fee, generally around C$10–15. From there, walk the surrounding Fort Macleod downtown heritage district, where the old Main Street storefronts make for an easy, unhurried hour of browsing. The compact grid is best explored on foot; allow extra time for independent shops and photo stops rather than trying to cover it by car.
Have lunch at The Sugar Shack, a casual local stop for sandwiches, comfort food, and sweets; budget about C$15–30 per person. Afterward, collect the car and take AB-3 west toward the Frank Slide Interpretive Centre, roughly an hour from Fort Macleod depending on roadwork and stops. Give the center about 1½ hours for its exhibits, film, and viewing areas overlooking the enormous 1903 rockslide. Admission is typically around C$15–20 for adults; check seasonal hours, as September operations can be shorter. Wear sturdy shoes and bring a light layer—the exposed viewpoints can be noticeably cooler and windier than town.
Continue west toward Canmore, then make the late-afternoon stop at Grassi Lakes Trail. The round-trip hike usually takes 1½–2 hours, with a steady climb and excellent turquoise-lake views; choose the easier route if conditions are wet, and check trail reports for smoke, snow, or closures. Parking can fill even late in the day, so avoid lingering if you still need to reach Dead Man’s Flats. After the hike, drive a few minutes east on the Trans-Canada Highway to your overnight base, with the Dead Man’s Flats arrival serving as the practical end of today’s sightseeing.