World Factbook
Guernsey
Bailiwick of Guernsey
Last updated: 2026-03-28 (today)
Area
land
78 sq km
note
note: includes Alderney, Guernsey, Herm, Sark, and some other smaller islands
water
0 sq km
total
78 sq km
Climate
temperate with mild winters and cool summers; about 50% of days are overcast
Terrain
mostly flat with low hills in southwest
Land use
other
51.6% (2022 est.)
forest
5.2% (2022 est.)
agricultural land
43.3% (2022 est.)
agricultural land: arable land
arable land: 18.3% (2022 est.)
agricultural land: permanent crops
permanent crops: 0% (2022 est.)
agricultural land: permanent pasture
permanent pasture: 24.9% (2022 est.)
Location
Western Europe, islands in the English Channel, northwest of France
Coastline
50 km
Elevation
lowest point
English Channel 0 m
highest point
Le Moulin on Sark 114 m
Irrigated land
NA
Map references
Europe
Land boundaries
total
0 km
Maritime claims
territorial sea
12 nm
exclusive fishing zone
12 nm
Natural hazards
very large tidal variation and fast currents can make local waters dangerous
Geography - note
large, deepwater harbor at Saint Peter Port
Natural resources
cropland
Area - comparative
about one-half the size of Washington, D.C.
Geographic coordinates
49 28 N, 2 35 W