Bear mace is a must. Some hikers hike without it, but PlanYourHike.com strongly recommends that you carry bear mace with you while hiking the Pacific Crest Trail, and that you keep it somewhere immediately accessible.
People Also Ask
Bear spray and firearms are the last tools in your toolbox. They should not provide a false sense of security. It is recommended that you carry bear spray when hiking in bear country.
Is the PCT well signed and marked? The trail is generally well marked to the standard that it's supposed to be signed to. This is a wilderness trail and signage is kept to a minimum. Signs should be present at all trail junctions and road crossings.