SERVICE WITH GUIDE ONLY IN ENGLISH. 1.- Free guided walking tour service, previous booking, maximum 2 months ahead to the wanted date. 2.- Small groups (maximum 8 people); it is required to speak the language in which the service is offered. 3.- Meeting point: Mancha Blanca’s Visitors & Interpretative Centre, 15 minutes before the reserved time. 4.- Tour length: 3 k. Length: 3 hours (approximately). Difficulty: minimum. 5.- this service is offered for adults over "16 YEARS OLD". 6.- Mandatory CLOSED FOOTWEAR, no high heeled, suitable for uneven ground. Failure to comply the requirements may result in the cancelation of the reservations. 7.- It’s recommended to wear: comfortable clothing, water, sun cream protection, cap or hat. 8.- Submit ID or the document proving the identity of the attendants of the walk, as well as the “permit number” generated by the booking system. 9.- This service may be cancelled due to force majeure or weather alert by adverse events (Yellow, Orange or Red Alert).