Isleta High Point, Puerto Rico

Prominence: 39 m, 128 ft

Elevation: 39 meters, 128 feet

True Isolation: 5.5 km, 3.42 mi
Local or Alternate Name(s)High Point Name: Old San Juan Island High Point
Peak TypeUnnamed High Point
Latitude/Longitude (WGS84)18° 28' 5'' N, 66° 6' 59'' W
18.468128, -66.116415 (Dec Deg)
804552 E 2044408 N, Zone 19 (UTM)
CountryPuerto Rico
State/ProvinceSan Juan

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Ascent Info

Total successful ascents logged by registered users: 15
     Show all viewable ascents/attempts (Total: 14)

Selected Trip Reports from this site:
     2016-03-25 by William Musser
     2016-03-26 by William Musser

Nearby Peak Searches:
     Radius Search - Nearest Peaks to Isleta High Point
     Elevation Ladder from Isleta High Point
     Prominence Ladder from Isleta High Point

The Federal tsunami and flood maps issued by the US government, indicate on a 4 meter interval that the peak of the island is in the 37 to 41 meter interval. The USGS map shows the highpoint being in the second contour above the 25 meter ring which is probably above the 35 meter but below the 40 meter; thus, until a better verified survey elevation can be found, 39 meters is a good approximation.

There is a much smaller similar contour shown on found on the flood mapping near the Castillo San Felipe del Morro site but it is much smaller in size and barely touches the flood range colors and has much disturbed grading around the fort, thus, the most likely natural HP is in this vicinity between Museum of Art and The Gallery Inn off of Calle de la Cruz.

Finally, the HP in the public streets appears to be a good place to call the HP (Specifically on the obvious peak on Calle de la Cruz north of Calle San Sebastian; but there is a private parking area adjacent, behind a retaining wall and to east that is a bit higher. It is on private land but heavily graded and retained (west of Calle San Justo). Showing the parking lot HP instead of the more obvious and accessible peak on Calle de la Cruz.

The National Park service rangers explained that this small island (or isleta) was a very strategic location for the major world powers in the 15 to 18 hundreds
Dynamic Map

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Prominence  Clean Prominence: 39 m/128 ft
  Optimistic Prominence: 39 m/128 ft
  Key Col: 0 m/0 ft
IsolationIsolation Page  (Detailed isolation information)
   Distance: 5.5 km/3.42 mi
   Isolation Limit Point: 18.4192, -66.1075
Nearest Higher Neighbor in the PBC database:
    Toa Baja High Point  (S)
RangesContinent: North America
Range2: Caribbean Area
Range3: Puerto Rico and Virgin Islands
Drainage BasinsAtlantic-West Indies
Atlantic Ocean
IslandIsleta de San Juan (Highest Point)
Data Source1:25,000 (or larger) Topographic Survey Map
This peak was submitted to the database by William Musser.

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