Hoy & Walls Wartime Heritage Trail (OWL2) Home / Projects / Hoy & Walls Wartime Heritage Trail (OWL2) Download the fantastic new Wartime Orkney Leaflet from Gavin Lindsay & Ian Collins Scapa Flow Eastern Defenses & Flotta Wartime Heritage Trail (WOL3)Hoy & Walls Wartime Heritage Trail (OWL2)North Walls Community School ProjectGeocache Orienteering TrailLegacies of Conflict Recommendations Share this:ShareClick to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)