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Visiting steep-sided glacial enclaves like Barry Arm and Harriman Fiord come with a potential hazard!
An elevated risk of a landslide and tsunami event happening in Upper Barry Arm has been recognized and reported by the USGS. Should a substantial slide occurred, it would pose a direct hazard to anyone in the area, especially those along the waterfront. At this time, the USGS, State of Alaska, and University of Alaska are monitoring the slide area. Anyone considering spending time in Barry Arm and Harriman Fiord may want to check online for the latest Barry Arm status update from the Alaska Division of Geological & Geophysical Surveys https://dggs.alaska.gov › hazards › barry-arm-landslide.html
Crossing the moraine shoal in Doran Strait leads northward into upper Barry Arm and accesses a raw glacial landscape revealed by Barry Glacier’s retreat during the past 120 years. The towering fiord-walls, snow-capped peaks, and scores of avalanche chutes are enriched by the arm’s three tidewater glaciers: Cascade, Coxe, and Barry Glacier. Drifting ice often clogs the upper arm’s entrance and beyond, especially in spring.
In the early 1900s, Barry Glacier and its tributaries, Cascade and Coxe Glaciers, underwent rapid retreat. Grant and Higgins observed that Barry Glacier had retreated about 3 mi by 1910 but confirmed that Barry, Cascade, and Coxe glaciers were still connected. By 1914, Coxe Glacier had separated from Barry Glacier.
Cascade Glacier still made contact with Barry Glacier on its W side in 1914, but was largely independent. The glaciers remained relatively stable until about 2002, when Barry Glacier began another 13 yr long retreat. Currently, Barry Glacier rests about 5 mi N of Point Doran.
Throughout the lower reaches of adjacent Harriman Fiord, white ribbon-like streams of icy meltwater cascade down the fiord’s walls. Harriman Glacier does not calve as frequently as Surprise Glacier, so once in lower Harriman Fjord, icepack rarely encumbers travel.
Most beach camping areas in Harriman Fiord reside on outwash fans created by meltwater streams, where beach rye and alder thickets cover low, damp, gravel/cobble berms. Note: Many campsites are susceptible to flooding during spring tides. See guide for most reliable campsite areas.
To learn more about boating, kayaking, and camping destinations in Barry Arm and hundreds of other Western Sound locations order Exploring Alaska's Western Prince William Sound (Paperback or Epub), at Amazon, Google Play or at Apple Books.