Slatedale to Palmerton
Appalachian Trail Section #123

Located 14.8 miles from Allentown, Pennsylvania

4 Stars
21,677 Steps 1  (10.1 mi)

The Appalachian Trail (Section #123) has a maximum elevation of 1,601 ft (488 m), a minimum elevation of 371 ft (113 m), and an elevation gain of 26,254 ft (8,002 m) in the [ A to B ] direction.


The following chart shows the total calories that you may expend on the Appalachian Trail Section #123 while hiking in the [ A to B ] and [ B to A ] direction at a typical speed and is based on gross weight (which includes anything carried), the topography, trail length and trail conditions.


We survey thousands of miles of trails each year. The following metrics are based on the most accurate trail data; no crowdsourced data.

[ A to B ] or [ B to A ]
Steps 1Length 2Min Ele 3Max Ele 4
21,67710.1 mi371 ft1,601 ft
[ A to B ]
Time 5Floors 6Gain 7Loss 8
3.9 hrs2.126,254 ft26,113 ft
[ B to A ]
3.9 hrs0.126,113 ft26,254 ft

What is the length of the Appalachian Trail Section #123?

The length of the Appalachian Trail Section #123 is 10.1 mi (16.2 km) or 21,677 steps.

How long does it take to hike the Appalachian Trail Section #123?

A person in good physical health can hike the Appalachian Trail Section #123 in 3.9 hrs in the [ A to B ] direction, and in 3.9 hrs in the [ B to A ] direction.

Slatedale to Palmerton Topo Maps

Download free Slatedale to Palmerton topo maps and the adjoining quads to plan your hike. These are full-sheet, 7.5 Minute (1:24,000 scale) topographic maps.

Adjoining 7.5 Minute Quadrangle Legend

  1. Northwest Topo Map: Nesquehoning, PA
  2. North Topo Map: Lehighton, PA
  3. Northeast Topo Map: Palmerton, PA
  4. West Topo Map: New Tripoli, PA
  5. Topo Map: Slatedale, PA
  6. East Topo Map: Cementon, PA
  7. Southwest Topo Map: Kutztown, PA
  8. South Topo Map: Topton, PA
  9. Southeast Topo Map: Allentown West, PA

Is there a Appalachian Trail map for Section #123?

Yes, and they're free! The Appalachian Trail Section #123 is located on the Slatedale and Palmerton topo maps. Use the adjoining quadrangle legend to download the maps.

KML Custom Maps

AT123T.kmz is a free KML custom map of the Appalachian Trail Section #123 that you can download and view in Google Maps®, Google Earth® and Garmin® handheld GPS devices including the eTrex®, Colorado and Montana series.

Local Weather Forecast

Check the weather forecast; this weather forecast covers the Appalachian Trail Section #123, provided by the National Weather Service. (



  1. Steps is a unit of distance equal to the sum of stride lengths that vary with the terrain.
  2. Length is the distance of the trail between the two trailheads, measured on the trail.
  3. Min Ele is the minimum elevation on the trail.
  4. Max Ele is the maximum elevation on the trail.
  5. Time is the typical total time required to hike the trail.
  6. Floors is the sum of distance on the trail where angles to the horizontal is between 30 and 50 degrees (the angle of a stairway) divided by ten, the height of one floor.
  7. Gain is the cumulative elevation gain.
  8. Loss is the cumulative elevation loss.

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