Lu is also an avid mountaineer and has climbed more than 80 of Taiwan's 100 highest peaks. After he retired from the military, he and a group of friends organized themselves into a mountain-rescue team that sprang into action whenever a mountain accident occurred in Taiwan.
退役後，熱愛登山的呂正宗和同好組成登山隊，每當國內有山難發生時，攀登過八十多座百岳大山的呂正宗自然前去搜救。