Pinnacle Mountain
mountain · Lake and Peninsula · GNIS 1408018
Dataset / verified: gnis-ak-2026-07-18 · ID afy:place:gnis:1408018
Summit in Alaska (USGS GNIS). County equivalent: Lake and Peninsula. Map: Sutwik Island D-6 SW.
Also known as
- Sugar Loaf
Orth, Donald J. Dictionary of Alaska Place Names. Washington, DC: GPO, 1967. This work is an alphabetical list of the geographic names generally including feature descriptions and often name origin information that are now applied and have been applied to places and features in Alaska. GNIS Library. p758
Alternate and historic spellings from USGS GNIS AllNames (cited sources). Not scraped from commercial map products.
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This summit or range feature is listed in USGS GNIS under the Lake and Peninsula label. Elevations and names can be revised with newer surveys—verify access, climbing restrictions, and aviation hazards with land managers and charts before trips.
Pinnacle Mountain is indexed for search, maps, and cross-links across the ALASKA.FYI gazetteer. GNIS does not replace avalanche forecasts, climbing permits, or flight planning—use authoritative weather, NOTAMs, and local guidance for the window you travel.
ALASKA.FYI keeps terrain pages structured like communities and water bodies: same blocks, same outbound posture. Start here, then follow agency sources for closures, routes, and rescue expectations.
Practical notes
Weather windows, visibility, and avalanche hazard can change hourly. Check NWS point forecasts, avalanche centers where applicable, and land-manager notices. Carry communication and turnaround criteria appropriate to remote terrain.
Sources
- U.S. Geological Survey / U.S. Board on Geographic Names — GNIS Domestic Names (Alaska) · View source
Summaries are compiled from public sources; verify fees, closures, and regulations with the managing agency. ALASKA.FYI does not provide legal advice.
56.8128117, -157.9133405 · WGS84
Map
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56.8128117, -157.9133405 · WGS84 · zoom 12
Quick facts
- Region / county equivalent
- Lake and Peninsula
- Coordinates
- 56.8128117, -157.9133405
- Elevation
- 2185 ft · 666 m
- Jurisdiction
- Lake and Peninsula Borough →
- Latitude
- 56.8128117
- Longitude
- -157.9133405
WGS84 (EPSG:4326)
GNIS elevation from National Elevation Dataset sampling at the primary point; not an official surveyed summit height.
Source: gnis-ned-archive
GNIS ID 1408018 · Names and coordinates from USGS Geographic Names Information System (GNIS) / U.S. Board on Geographic Names, public domain. Elevations (when present) are GNIS/NED-derived values for general reference — not official surveyed heights. Alternate names retain GNIS citations. Not legal boundary or navigation advice.
Official links
Authoritative agency pages for this record. alaska.fyi indexes names and coordinates; verify conditions and regulations with the source agency.
- National Weather Service · NWS point forecast
- U.S. Geological Survey · USGS GNIS feature 1408018
- U.S. Geological Survey · USGS topo: Sutwik Island D-6 SW
- Lake and Peninsula Borough · Jurisdiction: Lake and Peninsula Borough
- Alaska DOT&PF · Road conditions (511 Alaska)
- Alaska DOT&PF · Alaska DOT&PF
- Alaska DOT&PF · Alaska DOT&PF — Central Region
- Alaska Department of Natural Resources · Alaska DNR — Open Data
- Alaska Department of Natural Resources · Alaska DNR Mapper (land status)
Sources
-
U.S. Geological Survey / U.S. Board on Geographic Names — GNIS Domestic Names (Alaska)
· Public domain (US federal)
See also Sources and Methodology.