Originally Posted by BOSOGG

Shuttle access, from the Marriott CDG website:
Arrivals from Terminal 1, please take the free airport shuttle “CDG VAL” to Terminal 2, please go to TGV train station
between Terminal 2 D and 2 F. Follow the signs to the TGV Train station and to the CDG VAL airport train shuttle. Opposite the
“Paul” bakery take away stand, take the elevator to the 5th floor where the shuttle will pick you up.

http://www.marriott.com/hotelwebsite...ce_2015_UK.pdf

sounds brutal; may want to take a cab.