Train de la Rhune
Train de la Rhune is a toddler-friendly scenic and unique train ride in Col de Saint-Ignace / Sare, Pyrénées-Atlantiques, FR-64. The ride lasts 2 hours 30 minutes round trip, costs €26 (age 12+) for adults and €18 (ages 4-12) for children, and children under two ride Under 4 policy not exposed; verify.
Mountain cog railway with approximately 1 hour 30 minutes at the summit. The official 2026 rates page confirms the current seasonal timetable and states there is no one-way uphill ticket. Good family scenery, but the 2.5-hour round trip and summit weather make it less low-friction for very young toddlers.