From Longman Dictionary of Contemporary Englishhikerhik‧er /ˈhaɪkə $ -ər/ noun [countable] DLOsomeone who walks long distances in the mountains or country for pleasure
Examples from the Corpus
hiker• It's a walking area; there are a lot of ramblers and hikers there.• Then hiking 3 miles on a trail with beautiful lake views and not seeing another hiker?• So were day hikers in Pima Canyon and on other front range trails.• They include hikers, bicyclists, horseback riders and motorcyclists.• So who is to blame -- hunters, wildlife managers, hikers, developers?• Dinner was lively and funny, as the hikers recalled some of moments on the trail.• The statistics include heart attacks and other natural causes as well as accidents to hikers, climbers, and mountain workers.• Beginning next month, more Crissy Field buildings will be taken apart, opening more Bay vistas to hikers and bike riders. 