Highest points of countries

Highest points of countries
Caption	Mount Everest, highest point on Earth, viewed from Gokyo Ri
Highest	Mount Everest
Elevation m	8848.86
Prominence m	8848.86
Location	Nepal / China

Contents

Overview
Notation and Criteria
Highest Points by Country (List)
Disputed Territories and Special Cases
Measurement Methods and Data Sources
Records and Notable Extremes
See also

Highest points of countries

The highest points of countries identify summit elevations that mark the maximum altitude within the boundaries of sovereign states and dependent territories; they are used in mountaineering lists, geography surveys, and national symbols. These high points range from continental summits such as Mount Elbert and Aconcagua to maritime pinnacles like Mauna Kea and political high points on Antarctica's ice sheet; they intersect with topics in cartography, geodesy, topography, national parks, territorial disputes, and world records.

Overview

Highest points are typically individual summits, ice domes, or highest ground within a country's recognized borders; examples include Mount Everest for Nepal/China, Aconcagua for Argentina, Denali for the United States, and Kilimanjaro for Tanzania. Lists of country high points underpin resources such as the Seven Summits challenge, guidebooks by National Geographic and Alpine Club publications, and mapping products from agencies like the United States Geological Survey and Ordnance Survey. Political recognition, claims under instruments like the United Nations Charter, and practical access governed by agreements such as the Schengen Agreement or bilateral treaties can affect which summit is treated as a country's high point.

Notation and Criteria

Determining a country's highest point requires clear notation: whether elevations use mean sea level as defined by the International Association of Geodesy, vertical datums such as WGS 84, or national benchmarks like the NGVD 29 and EVRS. Criteria include whether to accept highest natural terrain, ice-covered summits (e.g., Vinson Massif vs. the Antarctic ice sheet), and whether to adopt the highest point of a claimed territory (e.g., Mount Thorne in disputed zones). Lists must state whether they follow de facto administration, de jure recognition under instruments like the Montevideo Convention, or United Nations listings, and whether dependent territories such as Greenland (part of the Kingdom of Denmark) and French Guiana (an overseas region of France) are included.

Highest Points by Country (List)

A comprehensive list orders sovereign states and dependencies by summit elevation, often using columns for elevation, prominence, coordinates, and parent range. Representative entries illustrate format: Argentina — Aconcagua (6961 m), Australia — Mount Kosciuszko (2228 m) or, under the continental definition used by some mountaineers, Puncak Jaya (Carstensz Pyramid) (4884 m) for Indonesia. Russia — Mount Elbrus (5642 m), Peru — Huascarán (6768 m), Ecuador — Chimborazo (6268 m) whose summit is the farthest from the center of the Earth relative to Mount Everest, and Iceland — Hvannadalshnúkur (2110 m). Dependent territories are listed for Puerto Rico — Cerro de Punta (1338 m), Bermuda — Town Hill (79 m), and Greenland — Gunnbjørn Fjeld (3694 m). For low-lying states such as Maldives, the high point is a subtle dune or natural hill; for Netherlands the highest point on the European territory is Vaalserberg (322.7 m), although the Caribbean special municipalities like Bonaire have different maxima.

Disputed Territories and Special Cases

Disputed borders produce contested high points: Kashmir and the Siachen Glacier alter claim-based maxima between India and Pakistan; Golan Heights affects the high point status between Syria and Israel; and the legal status of Western Sahara affects whether Djebel Tudrha or adjacent summits are ascribed to Morocco or the Sahrawi Arab Democratic Republic. The inclusion of Antarctic claims such as Mount Vinson raises questions under the Antarctic Treaty System; likewise island sovereignty disputes—Spratly Islands, Paracel Islands, and Senkaku Islands—complicate assignment of highest points for claimant states like China, Philippines, Vietnam, and Japan. Practical handling in lists often annotates de facto control, de jure claim, and United Nations recognition.

Measurement Methods and Data Sources

Elevation data derive from surveys, remote sensing, and historical records: principal sources include national mapping agencies like the Instituto Geográfico Nacional (Argentina), the Ordnance Survey for the United Kingdom, the United States Geological Survey, and global datasets such as SRTM, ASTER GDEM, and TanDEM-X. Techniques encompass spirit leveling referenced to vertical datums, GNSS (e.g., GPS with WGS 84), photogrammetry used by institutions like NASA and ESA, and LiDAR mapping used for detailed topography in regions managed by agencies including the USGS and Geoscience Australia. Conversions between ellipsoidal heights and orthometric heights require geoid models like EGM96 and EGM2008 and guidance from the International Hydrographic Organization for coastal reference.

Records and Notable Extremes

Notable records include Mount Everest as the Earth's highest elevation above sea level and Mauna Kea as the tallest measured from base to summit including submerged portion in the Pacific Ocean. Denali holds the highest prominence in North America while Aconcagua has the greatest prominence in South America. Chimborazo's summit is the farthest from Earth's center due to equatorial bulge, and Vinson Massif is the highest in Antarctica. Small states show extremes: Monaco and Vatican City have modest maxima, while island states like Tuvalu and Maldives face vulnerability because their highest natural elevations are only a few meters above sea level, a concern invoked in discussions involving United Nations Framework Convention on Climate Change and sea level rise assessments.