At what angle should shelter entrances ideally face?

The ideal orientation for shelter entrances is to face downwind at a 45-degree angle. This positioning minimizes the impact of wind entering the shelter, which is crucial for maintaining internal warmth and comfort, especially in cold or adverse weather conditions. By angling the entrance downwind, you create a natural barrier against the wind, allowing air to flow over and around the shelter rather than directly entering it. This approach helps to reduce wind chill inside the shelter and improve the overall effectiveness of the shelter for keeping occupants protected from the elements.

In practical terms, facing into the wind or upwind would expose the entrance directly to harsh conditions, which can lead to rapid heat loss and uncomfortable experiences for those inside. Additionally, the downwind position helps reduce the risk of snow or rain blowing into the shelter, further enhancing the occupants' safety and comfort.