Steep Holm

Island Small limestone island in Bristol Channel, bird habitat

Limestone island in the Bristol Channel with WWI/WWII fortifications, seabird colonies and guided boat trips from the mainland; visited for island walks and military history.

Main image

Steep Holm is a small limestone island in the Bristol Channel off the coast of England, notable for its ecology and military remains. The island supports seabird colonies and is managed as a nature reserve with controlled public access.

Visible features include coastal cliffs, grassland and stone-built fortifications and batteries dating to 19th and 20th century defensive works. The island has been used at various times for monastic settlement, defence and nature conservation.

Visits are possible by charter or scheduled excursion and are typically seasonal; landing is controlled to protect wildlife and the historic buildings. The island lies in the Bristol Channel between the Somerset coast and the coast of South Wales.

  • Access and management: Landing and visitor access are managed by the island's trust with seasonal boat services and a limited programme of guided visits and accommodation stays.
Steep Holm
Steep Holm, Bristol Channel, England (remote island)
51.3403, -3.1111

How to Get to Steep Holm #

Seasonal boat services operate from Weston-super-Mare, Burnham-on-Sea, or Cardiff; private charters possible. Landing dependent on tidal and sea conditions - check the Steep Holm Trust schedule.

Tips for Visiting Steep Holm #

  • Book a place on the seasonal ferry in advance; the island has limited landing capacity and ferries can fill on sunny weekends.
  • Bring a headlamp if planning to stay late; the island is dark after sunset and the island's WWII fortifications make for interesting low-light exploration.

Best Time to Visit Steep Holm #

Best visited in summer when charter boats run more frequently and sea conditions are friendlier; always confirm tidal and ferry schedules.

Summer
June-August · 12-20°C
Calmer seas and scheduled boat trips make island visits practical.
Spring/Autumn
April-May / September-October · 8-15°C
Fewer visitors but more capricious weather; check tide and sea conditions.

Weather & Climate near Steep Holm #

Climate
Temperature & Rainfall
Temperature Range
31°
Warmest Month
-6°
Coldest Month
Monthly Conditions

January

Weather

0.1
UV Index
Low
8.2h daylight

February

Weather

0.1
UV Index
Low
9.8h daylight

March

Weather

0.4
UV Index
Low
11.7h daylight

April

Weather

0.8
UV Index
Moderate
13.7h daylight

May

Weather

1.1
UV Index
High
15.4h daylight

June

Weather

1.4
UV Index
High
16.3h daylight

July

Weather

1.3
UV Index
High
15.9h daylight

August

Weather

1.0
UV Index
High
14.4h daylight

September

Weather

0.7
UV Index
Moderate
12.5h daylight

October

Weather

0.3
UV Index
Low
10.5h daylight

November

Weather

0.1
UV Index
Low
8.7h daylight

December

Weather

0.0
UV Index
Low
7.7h daylight

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