Trip planning guides
When to go, how long to stay, and the permits, parking and road rules to know before you leave. Checked against NPS.gov.
Yellowstone National Park
Yellowstone National ParkBest Time to Visit Yellowstone National ParkWhen to visit Yellowstone, month by month: road opening and closing dates, crowds, weather, wildlife timing and what is open in each season.Yellowstone National ParkHow Many Days Do You Need in Yellowstone?How many days to spend in Yellowstone, with 1-, 2-, 3- and 4-day itineraries by area, NPS drive times around the Grand Loop and where to base yourself.Yellowstone park guide: fees, hours, weather and where to stay
Yosemite National Park
Yosemite National ParkBest Time to Visit Yosemite National ParkWhen to visit Yosemite: waterfall peak in May and June, Tioga and Glacier Point road seasons, February Firefall, winter access and the 2026 reservation status.Yosemite National ParkHow Many Days Do You Need in Yosemite?Plan 2 days for Yosemite Valley and 3 to 4 to add Glacier Point, Mariposa Grove and Tuolumne. Sample itineraries plus where to stay inside and outside the park.Yosemite park guide: fees, hours, weather and where to stay
Grand Canyon National Park
Grand Canyon National ParkBest Time to Visit Grand Canyon National ParkWhen to visit Grand Canyon: South Rim and North Rim seasons, inner-canyon heat, monsoon storms, winter snow, crowds, and what is open in fall 2026.Grand Canyon National ParkGrand Canyon South Rim Itinerary: How to Spend 1 or 2 DaysA 1- or 2-day South Rim plan: free shuttle routes, Hermit Road, the best viewpoints, rim and below-rim day hikes, sunrise and sunset spots, and where to stay.Grand Canyon park guide: fees, hours, weather and where to stay
Zion National Park
Zion National ParkBest Time to Visit Zion National ParkWhen to visit Zion month by month: spring and fall weather, summer heat, monsoon flash floods, Narrows closures, shuttle season dates and quiet winter days.Zion National ParkAngels Landing Permit Guide (2026)How the 2026 Angels Landing permit lottery works: seasonal and day-before dates, fees, group size, what the permit covers and where to hike without one.Zion park guide: fees, hours, weather and where to stay
Great Smoky Mountains National Park
Great Smoky Mountains National ParkBest Time to Visit Great Smoky Mountains National ParkWhen to visit the Great Smokies: April wildflowers, the May firefly lottery, summer crowds, October color by elevation and winter road closures.Great Smoky Mountains National ParkGreat Smoky Mountains Parking Tag Guide (Park It Forward)Great Smoky Mountains has no entrance fee, but parking over 15 minutes needs a tag: $5 a day, $15 a week, $40 a year. Who needs one, where to buy, exemptions.Great Smoky Mountains park guide: fees, hours, weather and where to stay
Glacier National Park
Glacier National ParkBest Time to Visit Glacier National ParkWhen to visit Glacier National Park, month by month: Going-to-the-Sun Road opening dates, snow, wildfire smoke, crowds, fall color and what is open in winter.Glacier National ParkGoing-to-the-Sun Road Guide: Reservations, Shuttle and Best StopsPlan your Going-to-the-Sun Road drive in Glacier: 2026 access rules, Logan Pass parking limit, shuttle tickets, size limits, opening dates and top stops.