Castlewellan Forest Park (Annesley Garden & Arboretum)

County Down

Aging record Giant Sequoia Public access

Free to walk in (parking charge for cars): the Annesley Garden's extraordinary 19-trunked giant sequoia, near Castlewellan, Co Down.

Draft summary compiled from listed sources — not field-verified.

Was reliable once; now aging — verify before you travel.

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Before you go

Access
Open to the public
Last checked
20 Jun 2026

Access can change with seasons, opening hours, and estate rules. Check the visit link before you set out. Seen a change?

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Botanical Field Guide

Field Access & Conditions

Canopy Weather Safety

High Winds Advisory

Avoid standing beneath mature conifer crowns during storms or high winds. Follow site closure notices and move to clear ground if canopy branches are moving heavily.

Bark Photography

Low-Angle Light

Low-angle morning and late-afternoon sunlight reveals rich fibrous bark texture and distinctive red coloration.

Estate Approach

Northern Ireland Transit

Off-mainland routes through Northern Ireland glens and estate parks. Follow regional council and Forest Service road signage.

In the Forest

Tree Radar for iPhone

Designed for use when cellular reception is weak or unavailable. Directional compass points directly toward recorded tree coordinates under dense canopy.

Redwood species here

Giant Sequoia (Sequoiadendron giganteum)

Photos

No photos are attached to this place yet.

Evidence

Aging record

Was reliable once; now aging — verify before you travel.

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Sources
3
Photos
0
Species
1

About this place

Compiled from the listed sources below — not a first-hand account.

Castlewellan Forest Park, in County Down, surrounds the historic Annesley Garden and Arboretum — a walled garden and tree collection rated among the finest in the British Isles. Its standout redwood is an extraordinary multi-stemmed giant sequoia in the walled garden, with around 19 trunks rising from one root system, crowned Northern Ireland Tree of the Year in 2018. Walkers and cyclists enter the park free; cars pay a daily charge or council permit.

Sources

Official site

Last updated: 20 Jun 2026

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