We present the statistical results of the monitoring of the optical turbulence profiles at the Roque de los Muchachos (ORM) and Teide observatories (OT), Spain. The data has been obtained using the Generalized-SCIDAR technique at the 1m Jacobous Kaptein telescope at the ORM and 1.5m Carlos Sánchez telescope at the OT. Statistical profiles are based on 150 nights of measurements recorded at the ORM from February 2004 to July 2008 and 140 nights at the OT obtained from November 2002 to July 2008. The monthly statistical profiles for different years present a similar structure for different years, suggesting a stable seasonal evolution of the turbulence at the Canary Islands sites. Statistically, the turbulence structure at ORM and OT is similar and present a similar evolution along the seasons. The consistence of the behaviour of the turbulence in different time scales is crucial for AO/MCAO systems implementation.