Each is among the best fall RV road trips in the country, with different peak-colour windows, different logistics, and different vehicle-size considerations. This guide covers all three fall foliage RV trips, with dates and campgrounds you can book. When does peak foliage happen in 2026Peak Fall colour is temperature-dependent, and forecasts move around, but the historical timing gives a working plan for catching vibrant fall foliage across each region. Route 1: The New England Grand TourThe New England fall foliage RV loop is the most concentrated experience in the country. The Blue Ridge Parkway and the Kancamagus Highway are top RV routes for fall foliage.