Hello Everyone
I would like to know if there is any public transportation (bus or bush taxi) from Agadir or Tan tan to the border with Mauritaia.
Thanks
Rurbano

You'd be lucky to get anything down to the border. You can get something down to Dahkla and then a van ...
I left Tan Tan at 2.30pm and got into Dahkla at 4.30am the next morning, a long ride, lots of police barrages ... but managed to get a van out of Dahkla a few hours later and made NBD that night.
Kira

The vans Kira mentioned above leave around 2 kms outside Dakhla, next to the police checkpoint (and the camping). Just go there early in the morning (around 8-9 am should be early enough) and see if a van is going that day (usually there is). The rate was 250 or 300 Moroccan Dirhams (can't remember which). You can also organise this trip through some of the hotels in Dakhla but they charge extra for their 'service' and it's very easy to do it all by yourself.