📍Big South Fork NRRA, Tennessee

Arrive while the light is still soft and the parking area half-empty — by 8am the creek is yours, cool water sliding over smooth boulders as rust-colored cliffs rise overhead like a held breath. Let the teens scramble to the upstream pools while parents claim a flat rock and just listen; this is the low-key, no-agenda start every trip needs. By 9:30 the first weekend crowds start trickling in, so this window is worth protecting.

Trade wet feet for a vintage rail car and let the gorge do the work — the train clacks along rails cut into the canyon wall, diesel smoke curling past open windows as the river appears and disappears far below through tunnels of amber rock. Teens tend to gravitate to the open observation car for the trestle crossings, which offer a genuinely vertiginous view straight down to the gorge floor. It's a low-effort, high-payoff way to see terrain you'd otherwise need days of backcountry hiking to reach.

Get here at 7:30am and the arches are nearly silent — just dripping water and the occasional bird call as you walk beneath twin stone portals rising straight out of the forest floor. Looking up through both arches together from the main trail is the shot everyone will want, and the cool shade of the overhang is a welcome break before the sun climbs. By mid-morning this spot fills with weekend hikers, so the early arrival is non-negotiable in summer.

This is the day's centerpiece — a hemlock-shaded trail that trades crowds for cascades, ending at a waterfall where cool mist hits your face before you even see the falls. Let teens set their own pace on the safer stretches for a taste of autonomy, then regroup at the base of the falls where the spray catches the midday light. Pack a real lunch to eat streamside; it's a full-morning commitment but the payoff — a genuinely secluded waterfall most visitors never see — is worth every step.

This is the day's big adventure: hike in early while the canyon air is still cool, the Big South Fork roaring somewhere below and the smell of rhododendron thick in the humidity. Crossing the suspension bridge is a genuine thrill for teens — gravel crunching underfoot, the whole structure gently swaying — and the layered sandstone walls glow amber even in morning light. Keep it to the main, shorter routes with kids in tow; this is wild, effort-earned terrain, and starting early means you'll have the trail largely to yourselves before summer weekend traffic picks up.

After the exertion of the morning, this is the lighter, cooler counterpoint — Depression-era stone cabins tucked into cathedral-tall forest, rough-hewn stone under your fingertips and the faint scent of old wood smoke still clinging to the air. It's an easy wander for tired legs, with just enough history (CCC-era mountain building) to satisfy parents while teens appreciate the photogenic cabin facades. A gentle, low-energy close to a physically demanding trip.