BikeFit Surrey offers fun, social and relaxed led cycle rides of between one to two hours around SE Surrey, using a combination of quiet roads and bridlepaths.
Dorking Cycling Club organises rides starting from Dorking Sports Centre - more at https://www.facebook.com/dorkingcyclingclub/
Details of their Taster Rides are here.
Love to Ride runs free (members only) rides in the Mole Valley area on Tuesday evenings through out the year and Thursday evenings in the summer months.
Rides start from Nirvana Cycles of Westcott at weekends and on some weekdays.