Hunters discussing Idaho's Unit 21 highlight the area's challenging terrain that demands physical readiness, as well as the importance of understanding the seasonal movements of game such as elk and deer. Many emphasize the value of scouting trips to identify game patterns, noting that elevation changes can significantly impact visibility and accessibility. Draw odds for prime hunting seasons are competitive, urging hunters to plan and apply early. Overall, the shared experiences underline the need for thorough preparation and adaptability to succeed in this rugged but rewarding unit.