The Unit was represented at the 1999 National Orienteering Competition by the 3rd Scout Troop and by the DLS Venturers. Excellent performances were put in by Patrick Kelly and Brian Brazil who came second in the Under 16 Novices and Ian Fitzek and Conor Walsh who came third in the same event. Derek Ryan took first place in the Senior Under 16s Competition and Paul McSweeney won the Venturers competition.