Hunters in Montana's Hunt District 640 consistently emphasize the importance of understanding the varied terrain and the impact it has on accessing different game areas. Many users note that draw odds can be challenging but suggest targeting less popular seasons could improve chances. Insightful advice includes focusing on scouting and tracking game movement according to seasonal shifts, as deer and elk patterns can be unpredictable with changing weather conditions. Overall, hunters find the unit rewarding for those who invest time in preparation and adaptability.