HAPI showcases the heritage of the Paris Region through more than 750 stories and ideas for outings using rail routes operated by Transilien SNCF on behalf of Île-de-France Mobilités. From the Arc de Triomphe to the Vanne Aqueduct via Hector Guimard's Castel Beranger and the fortified town of Provins and its underground passages.... The app takes you on a journey through history with over 750 short stories to read or listen to. It's a great way to spend your travel time and find new ideas for days out to heritage sites of cultural interest that are easily reached by train.

You can search the app in a number of different ways:
• By satnav location
• On your journey (by line stretch of line or around a station)
• Wherever the mood takes you
• By following a selection of favourite must-visits
HAPI is an SNCF (Société Nationale des Chemins de Fer Français) app offered on behalf of IDFM (Île-de-France Mobilités)