Quick Answer
When hunting based on thermals, it's generally best to hunt downhill to intercept rising air and game in the morning and uphill in the afternoon to follow the descending air.
Understanding Thermals and Wind Direction
When hunting with thermals, it’s essential to understand the relationship between wind direction, thermal activity, and terrain. In general, a gentle breeze blowing from the northwest can create an ideal thermal environment on a south-facing slope, especially during the morning hours. This is because the sun warms the slope, causing the air to rise and create an upward current.
Hunting Downhill in the Morning
To capitalize on morning thermals, hunt downhill on a south-facing slope. Aim to be in position by dawn, when the sun’s rays strike the slope, and the air begins to rise. As the thermal activity increases, game will likely move up the slope, providing an excellent opportunity for a shot. Be aware of your surroundings and use binoculars to scan the area before making a move.
Hunting Uphill in the Afternoon
In the afternoon, thermal activity tends to shift, and game will often move downhill in response to the cooling air. To intercept this movement, hunt uphill on a north-facing slope. This will put you in a position to intercept the descending game, increasing your chances of a successful hunt. Be cautious not to overexert yourself while climbing uphill, and use your knowledge of the terrain to select a slope with minimal obstacles and cover.
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