Gravel Birds Ultracycling

'Gravel Birds Ultracycling' is a bikepacking and adventure-cycling challenge in the land without shadows: Alentejo, Portugal. A hilly challenge with 750 kilometers across the remote inland areas of Guadiana Valley and the majestic Atlantic coast. L’Abetarda 330 route explores the inland and central areas of Baixo Alentejo. Departure and finish in Castro Verde.