1. A hiking or walking path that lacks visible signs, blazes, or other indicators to guide hikers along the route
The hikers got lost on the trail without markers in the dense forest.
Os caminhantes se perderam na trilha sem marcações na floresta densa.
2. An unmarked pathway that requires navigation skills or local knowledge to follow
Experienced mountaineers prefer challenging trails without markers.
Montanhistas experientes preferem trilhas desafiadoras sem marcações.