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Printed Maps & App
Stay found. Stay informead. Our premium printed topographic maps and matching app for a once in a lifetime adventure

OnLine Data Books
Free online data books for your favorite trail, distances, elevation, climate, way points, terrain & fauna

Interactive Maps
GPS aware interactive maps, your location, topo, hybrid, satellite, trail track, way points, road, weather/snow overlays

Active Fires & Smoke
Know before you go! Get the lastest active fire & smoke information for your favorite trail

Snow Conditions
Get the lastest snow conditions for your favorite trail. Quantity, coverage, SNODAS, MODIS, historical and multi-year comparisons

Trip Planners
Create an extensive hike plan easily configurable to your hiking style. Distances, days, resupply, access points, etc

Gear Builder
Create your own fully customizable gear list with weight, pricing and divisable by section.

Trail Animals
Exhaustive resource for species ranges along your favorite trail. Includes amphibians, birds, mammals and reptiles.

Complete Gear Lists
Hundreds of complete gear lists by those that walked the walk.

Elevations Profiles
The big picture. Single elevation profile of your favorite trail.

Journal Tools
Search for a journal, create a journal, add/edit an entry, configure your journal, EMail updates, integrated interactve trail map, PLB locations and more

Wall Maps
Print out your favorite trail to 6 feet high. Elevation chart and resupply locations.

Postholer Forum
Source for trail and site information or just talk about your favorite trail

Where it all begins.

Pacific Crest Trail Snow Report

Updated: July 16, 2024

The Pacific Crest Trail snow report is designed to aid hikers in determining the best time to head into the mountains based on snow conditions. Each hikers skill-set and comfort level with these conditions will differ. The Pacific Crest Trail snow report uses SNODAS modeled snow data. SNODAS gives us a good idea about the quantity of frozen water sitting on the ground, denoted by SWE (Snow Water Equivalence) in inches.

Snow page updates November 1st - July 28th

Trail snow is not snow pack. The Postholer snow page focuses on snow on or near the trail, at trail elevation, not on snow condtions thousands of feet lower/higher and miles away from the trail. Ski resort snow reports and snow pack charts are a very poor representation of trail snow conditions.

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Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow

Sierra Entry Indicator (SEI)

Sierra Entry Indicator - The SEI is to help you determine what snow conditions are like in the heart of the sierra. This looks at hundreds of locations in the southern sierra, 163 miles, and gets the percent of average snow conditions. The SEI updates between Nov 1st and June 16th, so long as the historical SWE for the date is > 3". Last Update: April 01, 2024. Trail snow, not snow pack, is 112% of average for this date.

(for entertainment purposes only)

SEI Indicator

Full Screen Pacific Crest Trail Map
PCT Maps

Pacific Crest Trail
topographic maps


Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow


Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow

Pacific Crest Trail Snow


SNODAS SWE, Entire Trail

Pacific Crest Trail Snow Conditions, current SWE by mile

Video: Sierra Snow Nov 1 2022 - Apr 1 2023

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