If you want some good spots for swimming near from Toulouse, I can suggest you some lakes. The most prefered one by Toulouse people is called Saint Ferréol ; it's about one hour from Toulouse in car (65 kilometers). But you can also go to the Samatan lake (about 45 minutes in car / Gers 32) or Caraman lake (about 45 minutes in car too / Haute-Garonne 31) or Ganguise lake (about 50 minutes in car / Aude 11).
In these places many things are possible : swimming, playing beach-volley, practising water sports, etc. You can find some rivers near from Toulouse if you take the time for it. Perhaps you should visit this website : monpetitnuage.com/ou-se-baigner-a-toulouse/ (it's a good start to discover some spots).Edited: 12:00 pm, August 08, 2017
Thank you so much for your advice and comments.
-:- Message from TripAdvisor staff -:-
This topic has been closed to new posts due to inactivity. We hope you'll join the conversation by posting to an open topic or starting a new one.
To review the TripAdvisor Forums Posting Guidelines, please follow this link: http://www.tripadvisor.com/pages/forums_posting_guidelines.html
We remove posts that do not follow our posting guidelines, and we reserve the right to remove any post for any reason.