To get to La Londe les Maures by train 

Arrival in Toulon or Hyères (in season)

Daily direct service between Paris and Hyères (in season)

Switch trains at Toulon (TGV, sleeping car trains)

Regular bus service between Toulon, Hyères and La Londe: Sodetrav route 103 (http://www.sodetrav.fr/)

Direct transfers from the station of Toulon, one change from the station of Hyères

 

Main lines and TGV. 
Informations/ reservations SNCF : 
Phone. : 36 35
Website : http://www.sncf.fr/

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TGV Méditerranée
Best travel time (indicative) 
Paris-Marseille = 3h00 
Paris-Toulon = 3h51 
For information about the TGV Méditerranée :
Site : http://www.tgv.com/