The snow depth on the AT in SNP today was 30-40 inches with lots of drifts over 6 feet deep. Good snowshoeing with a light top crust, though regular hikers would posthole and have great difficulty walking. One exception was from Thornton Gap (where the Park has cleared a few parking spaces) to Mary's Rock overlook. Enough hikers have been up that section to beat the snow down for walking, though non-snowshoers will still posthole in spots.
This snow is going to be around for a while.
Picture taken on the ridge line between Mary's Rock and Byrds Nest 3 shelter; note the tip of the white blaze sticking up above the snowdrift.
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