Amicalola
Short for Amicalola Falls State Park, Georgia, where the approach trail to Springer Mountain starts.
Approach Trail
An 8-mile trail, not technically part of the Appalachian Trail, that gets you from Amicalola Falls State Park to Springer Mountain, where the trail starts.
AT
Short for the Appalachian Trail.
Blue-Blaze
To skip a section of the white-blazed AT by walking an alternative route. Often done to catch a better view (the trail skips them shockingly often) or for safety. Purists hate this.
The Bubble
The dense cluster of northbound thru-hikers who start from Springer Mountain the last week of March and the first week of April. I'll be chasing the bubble and hoping to catch up to them โ and may pass through it depending on my pace!
Flip-flop
A way of hiking the Appalachian Trail that involves a non-contiguous path โ for example, hiking from the halfway point going north, then flying back and hiking south to complete the trail. I'm hoping to avoid doing this, but will if it starts looking like I won't make it to Katahdin in time!
Harpers Ferry
The town of Harpers Ferry, WV. It's a few hundred miles south of the trail's halfway point, but still considered a huge milestone. It's also home of the Appalachian Trail Conservancy (ATC) headquarters.
HYOH
"Hike Your Own Hike!" โ a core AT philosophy encouraging every hiker to do the trail on their own terms.
Katahdin
Mt. Katahdin, located in Baxter State Park in Maine, is the northern terminus of the Appalachian Trail. Baxter State Park closes for the shoulder season at the first snow (generally around October 15th), so that's my rough deadline!
Nero
Short for "nearly zero" โ a partial day off with very few miles walked during a long-distance hike. Often used to get into and out of towns for a resupply.
NoBo
Short for Northbound, which is the direction I'm hiking โ Georgia to Maine.
Privy
An outhouse or compostable toilet at a backcountry campsite.
Purist
A thru-hiker who wants to walk every inch of the AT without any alternate routes. They also tend to think this is the one and only true way to thru-hike. The term is often used condescendingly, since it goes against the concept of Hike Your Own Hike (HYOH).
Shelter
A structure for backcountry lodging โ typically a three-sided wooden structure with a roof, found every 8โ10 miles along the trail. First come, first served. Great in the rain, but come with their own issues (mice, snorers, etc.)!
Slack-pack
To leave your pack with someone (or at a hostel) and hike a section of trail with just a daypack, either returning to town or getting your pack back at the end of the section. Purists don't count this as "real thru-hiking."
Springer Mountain
The southern terminus of the Appalachian Trail, located in Georgia.
Thru-Hiker
Any hiker who walks the length of the trail within one year.
Trail Angel
Someone who gives trail magic.
Trail Magic
Any act of kindness or gift bestowed on hikers โ including water, free meals, transportation, or even money. Most often found at trailheads, where trail angels will set up with grills, food, coolers full of cold drinks, and more!
Trail Name
A nickname adopted by long-distance backpackers, a tradition on the AT and many other trails. Generally given to you by other hikers โ sometimes related to something embarrassing you did in the first few days that they'll never let you forget!
Tramily
Short for "trail family." The group of people you spend a significant amount of time hiking with, typically also lodging together in town. As you make different decisions โ hiking a different pace or taking an extra zero day โ you may lose one tramily and find yourself in another.
White Blaze
Rectangular white marks painted on trees and rocks that indicate the trail. Following white blazes is essentially the entire navigation strategy for 2,198 miles. Blue blazes mark side trails (to water, shelters, viewpoints).
Zero
A full day off during a long-distance hike in which zero miles are walked.