Hunters discussing Colorado's Unit 20 highlight a variety of experiences with elk and deer, noting the importance of understanding the area's terrain and seasonality for a successful hunt. Users emphasize the need to consider draw odds carefully, suggesting that early scouting and familiarity with the unit can improve odds. There is a consensus on the challenges of navigating mountainous terrain, with advice to be well-prepared for variable weather conditions. Overall, the community shares insights on strategies for overcoming these obstacles, suggesting that gaining local knowledge and using scouting tools can significantly enhance the hunting experience in this unit.