Gough and Inaccessible Islands

Nature Reserve Remote volcanic islands with large seabird populations and endemics

Gough and Inaccessible Islands lie far in the South Atlantic with large seabird colonies and endemic species; access is restricted, so visitors are mainly researchers and specialist eco-tours focused on birdlife and natural history.

Main image

Gough and Inaccessible Islands are two remote volcanic islands in the South Atlantic Ocean, part of the Tristan da Cunha group, and are recognised for globally important seabird colonies and endemic species. The islands are largely uninhabited and retain near-pristine ecosystems.

Visitors (normally researchers or authorised personnel) encounter sheer coastal cliffs, dense island vegetation and prolific seabird breeding sites, including large numbers of albatrosses and petrels. The islands are also notable for endemic plants and landbirds adapted to isolated island conditions.

The islands have a history of occasional visitation by sailors and later by scientific expeditions; conservation designations aim to protect breeding seabirds and island ecosystems from invasive species and disturbance. Management focuses on biosecurity and preservation of island biodiversity.

Both islands lie in the South Atlantic Ocean as part of the Tristan da Cunha territory of the United Kingdom, occupying remote oceanic positions far from continental landmasses.

  • Access restrictions: Both islands are extremely remote and access is tightly controlled; visits are typically by scientific or conservation teams rather than general tourism.

What to See #

  • Gough Island: Gough Island, a remote oceanic island with large breeding colonies of seabirds and significant endemic species.
  • Inaccessible Island: Inaccessible Island, a rugged volcanic island with steep cliffs and dense vegetation that supports unique breeding seabird assemblages.
Gough and Inaccessible Islands
-40.3247, -9.9286

How to Get to Gough and Inaccessible Islands #

Gough and Inaccessible Islands are extremely remote and not served by commercial flights. Access is by sea only-typical voyages depart from Cape Town and call at Tristan da Cunha before Gough/Inaccessible; there are no regular passenger services. Visiting either island requires joining a research or expedition vessel and obtaining the necessary permits, as landings are strictly controlled for conservation reasons.

Tips for Visiting Gough and Inaccessible Islands #

  • Do not plan an independent tourist landing - visits to Gough and Inaccessible Islands are heavily restricted and limited to authorised scientific or conservation expeditions with prior permission from Tristan da Cunha authorities.
  • If you have a legitimate scientific or conservation reason, apply well in advance and expect strict biosecurity and landing protocols; equipment and clothing must meet decontamination requirements to protect the islands' unique wildlife.
  • Schedule any permitted expedition for the Southern Hemisphere summer (roughly December-February) when seas are relatively calmer and weather conditions are most favourable for ship calls, but still expect long, infrequent voyages to reach the islands.

Best Time to Visit Gough and Inaccessible Islands #

Access is highly seasonal-visits and landings are generally limited to the southern summer (November-March) when weather and seabird activity make field visits possible.

Southern summer (breeding season)
Nov-Mar · 5-15°C (maritime subantarctic)
Main period for scientific visits and the only practical time for ship landings-better weather and peak seabird activity, but still cool and changeable.
Winter (inaccessible)
Apr-Oct · ~0°C or colder with severe seas
Sea conditions and weather make access effectively impossible for most visitors; islands are not visited outside the southern summer.

Weather & Climate near Gough and Inaccessible Islands #

Climate

Gough and Inaccessible Islands's climate is classified as Oceanic - Oceanic climate with cool summers (peaking in February) and cold winters (coldest in September). Temperatures range from 4°C to 15°C. Heavy rainfall (3295 mm/year), wettest in June, distributed fairly evenly throughout the year.

Air Quality: AQI 13 Good
Best Time to Visit
FebruaryJanuaryApril
Temperature & Rainfall
Temperature Range
19°
Warmest Month
Coldest Month
Monthly Conditions

January

January is cool with highs of 15°C and lows of 9°C. Heavy rain (234 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
86%
Humidity
Very Humid

Weather

234 mm
Rainfall
9.1 m/s
Wind
Breezy
2.2
UV Index
Extreme
14.5h daylight

February

February is cool with highs of 15°C and lows of 9°C. Significant rainfall (197 mm), mostly overcast skies, and breezy conditions.

44 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
85%
Humidity
Very Humid

Weather

197 mm
Rainfall
7.7 m/s
Wind
Breezy
1.9
UV Index
Very High
13.5h daylight

March

March is cool with highs of 14°C and lows of 9°C. Heavy rain (268 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

12°
Feels Like Cool
12°C
Temperature
14°
84%
Humidity
Very Humid

Weather

268 mm
Rainfall
9.4 m/s
Wind
Breezy
1.3
UV Index
High
12.2h daylight

April

April is cool with highs of 13°C and lows of 8°C. Heavy rain (262 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

10°
Feels Like Cool
10°C
Temperature
13°
85%
Humidity
Very Humid

Weather

262 mm
Rainfall
7.1 m/s
Wind
Breezy
0.7
UV Index
Moderate
10.9h daylight

May

May is cold with highs of 11°C and lows of 6°C. Heavy rain (289 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
11°
82%
Humidity
Very Humid

Weather

289 mm
Rainfall
7.9 m/s
Wind
Breezy
0.3
UV Index
Low
9.7h daylight

June

June is cold with highs of 10°C and lows of 5°C. The wettest month with heavy rain (323 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
10°
82%
Humidity
Very Humid

Weather

323 mm
Rainfall
6.5 m/s
Wind
Breezy
0.2
UV Index
Low
9.2h daylight

July

July is cold with highs of 10°C and lows of 5°C. Heavy rain (259 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
10°
82%
Humidity
Very Humid

Weather

259 mm
Rainfall
8.1 m/s
Wind
Breezy
0.2
UV Index
Low
9.4h daylight

August

August is cold with highs of 9°C and lows of 4°C. Heavy rain (296 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
82%
Humidity
Very Humid

Weather

296 mm
Rainfall
7.7 m/s
Wind
Breezy
0.4
UV Index
Low
10.4h daylight

September

September is the coolest month with highs of 9°C and lows of 4°C. Heavy rain (279 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
82%
Humidity
Very Humid

Weather

279 mm
Rainfall
8.0 m/s
Wind
Breezy
0.7
UV Index
Moderate
11.7h daylight

October

October is cold with highs of 10°C and lows of 5°C. Heavy rain (318 mm), mostly overcast skies, and breezy conditions.

38 Poor

Comfort

Feels Like Cold
C
Temperature
11°
84%
Humidity
Very Humid

Weather

318 mm
Rainfall
9.2 m/s
Wind
Breezy
1.3
UV Index
High
13.0h daylight

November

November is cold with highs of 12°C and lows of 7°C. Heavy rain (279 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
12°
86%
Humidity
Very Humid

Weather

279 mm
Rainfall
7.0 m/s
Wind
Breezy
1.9
UV Index
Very High
14.2h daylight

December

December is cool with highs of 14°C and lows of 8°C. Heavy rain (291 mm), mostly overcast skies, and breezy conditions.

42 Poor

Comfort

11°
Feels Like Cool
11°C
Temperature
14°
86%
Humidity
Very Humid

Weather

291 mm
Rainfall
8.1 m/s
Wind
Breezy
2.2
UV Index
Extreme
14.8h daylight

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