Longest caves in La Rioja
The longest cave in La Rioja in the EspeleoWorld catalogue is Cueva de Peñamiel (1,419.57 m), followed by Cueva Halcón and Cueva Mina Marte.
The longest cave in La Rioja in the EspeleoWorld catalogue is Cueva de Peñamiel (1,419.57 m), followed by Cueva Halcón and Cueva Mina Marte.