[expand]
Route Selection
The winter route often differed from summer path. Frozen lakes and rivers became highways—flat, open, easy to navigate. Terrain that was impassable in summer (swamps, bogs) became accessible when frozen solid. Conversely, some summer routes became dangerous—steep slopes risked avalanche, rivers might not be reliably frozen, exposed ridges offered no protection from wind.
The skilled winter traveler chose routes that minimized energy expenditure and hazard exposure—following frozen waterways when possible, using wind-packed ridges when available, avoiding deep snow and avalanche slopes when practical.
Breaking Trail
In deep snow, the first person broke trail—doing hardest work, sinking deepest, expending most energy. Following travelers stepped in broken trail, benefiting from compaction. This created rotation system—lead person broke trail for period, then rotated to back while fresh person took lead. This allowed sustained progress without exhausting anyone.
Group travel was more efficient than solo for this reason. Three people rotating trail-breaking could maintain progress that would exhaust single traveler attempting same route.
Avalanche Awareness
Certain slopes, under certain conditions, released avalanches—walls of snow descending at deadly speed, burying everything in their path. The cautious traveler learned to recognize avalanche terrain and conditions—steep slopes loaded with new snow, slopes showing signs of recent slides, slopes where snow made hollow sounds indicating unstable layers beneath.
When crossing avalanche terrain was unavoidable, the procedure was careful—one person crossing at a time while others watched, quick movement across danger zone, immediate excavation if burial occurred. But avoidance was vastly preferable to rescue.
[/expand]