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Ascent of Carteret County High Point on 2016-03-02

Climber: Tom Layton

Date:Wednesday, March 2, 2016
Ascent Type:Successful Summit Attained
Peak:Carteret County High Point
    Location:USA-North Carolina
    Elevation:45 ft / 13 m

Ascent Trip Report

I researched the Carteret County GIS site, which has 2-foot contour maps. This appears to eliminate the two locations on the island, COHP Areas 1 and 4, the odd-looking cones on the inland side of Emerald Isle. Area 1 (at the end of Clarendon Drive) is just 24 feet on the county GIS map, and Area 2 (on Christina Lane) tops out at 28 feet. The highest points on the island appear to be several 34-foot dunes on the ocean side of the island, south of Area 1.

The two mainland sites both top out at 44 feet on the GIS map. Area 2 (on Bahia Lane) has a 46 spot elevation on the USGS quad. Area 3 has Knoll BM, which has a datasheet online that indicates it may be over 49 feet. I'm not a surveyor, but here is what the datasheet says:
-- Ortho height: 49.54 feet (15.101 meters). The orthometric height was determined by differential leveling and adjusted by the NATIONAL GEODETIC SURVEY in June 1991.
-- Dynamic height: 49.50 feet (15.087 meters): The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.).

Both the mainland sites are easy to visit, and I am confident that one of them is the true COHP.

To find Knoll BM, go to 2901 NC Hwy 24. Park at the entrance to Karobi Park (mobile home park) and walk up the hill. The BM is easy to find between two wooden posts. This is across the highway from the intersection with Nine Mile Road, which is also known as Nine Foot Road on its northern end.

For the other spot, your GPS address is 316 Bahia Lane, Cape Carteret NC. Lot 316 is vacant and rises slightly. My GPS topo showed a small 45-foot contour across the street at 100 Tifton Circle on the corner of Bahia Lane. Further NW, 143 Tifton Lane also looks like a possibility. I suspect the highest ground may have been leveled during construction of the subdivision.
Summary Total Data
    Total Elevation Gain:5 ft / 1 m
    Round-Trip Distance:0.2 mi / 0.3 km
    Trailhead:40 ft / 12 m
    Quality:1 (on a subjective 1-10 scale)
    Route Conditions:
Road Hike



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