praia da ursa beach at sintra-cascais natural park

atlantic background bay beach beautiful blue cabo cape cascais cliff coast coastline cold cove da day destination empty famous foam geology horizon landmark landscape lisbon moody mountain natural nature ocean panorama park picturesque portugal praia roca rock rocks rocky sand scenery scenic sea seascape shore sintra sintra-cascais stone stunning summer sun sunset terrain tourism tower trail travel trek trip ursa valley view water wave waves weather