For route planning and whilst on the trail I have used and recommend the Buller-Howitt Alpine Area Outdoor Recreation Guide by Spatial Vision.
COVERAGE: Mt Buller, Mt Stirling, Mt Howitt, Wonnangatta Station
IDEAL FOR: Bushwalking, Cross-country skiing, mountain biking and car touring
SIZE (folded):135mm wide and 250mm high
SIZE (unfolded): 675mm wide by 1000mm high
The Buller-Howitt Alpine Area recreation guide has been developed in consultation with Parks Victoria.