trekking
n. uncountablen. the activity of going on a long, difficult journey on foot, especially in the mountains or countryside.
n. the activity of making a long, arduous journey on foot, typically across mountainous or wild terrain. Often used as a gerund to describe the sport or recreational pursuit.
We are going trekking in the Himalayas next month.
After months of training, the group spent two weeks trekking through the dense rainforests of South America.
While casual hiking usually involves well-marked trails, trekking implies a more demanding expedition that requires significant physical endurance and often involves camping in remote areas.
Often functions as a gerund; frequently paired with the verb 'go' ('go trekking').
We did a trekking last weekendWe went trekking last weekendTrekking is uncountable and usually follows the verb 'go' rather than 'do' or 'make'.