Trebah

Mawnan Smith, Cornwall

Field-checked Giant Sequoia Coast Redwood Ticketed

A 30-metre coast redwood with a gnarled trunk stands on Badger's Walk in this Helford ravine garden near Mawnan Smith, Cornwall. Ticketed.

Confirmed by a person against authoritative records, a partner source, or an on-the-ground check.

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Before you go

Access
Ticketed access
Last checked
20 Jun 2026
Access note
Adult £17.50 (£19.25 with Gift Aid); open daily from 9.30am, no pre-booking
Visitor information
trebahgarden.co.uk

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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

EasyRoads Route Check

Estate roads often feature narrow single-track lanes and low overhanging boughs. Verify vehicle clearance before setting off.

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)
Coast Redwood (Sequoia sempervirens)

Photos

  • Trebah
    Credit: Rod Allday / Wikimedia Commons (CC BY-SA 2.0)

Evidence

Field-checked

Confirmed by a person — against authoritative records, a partner, or an on-the-ground check.

Read how records are checked →
Sources
5
Photos
1
Species
2

About this place

Trebah is a subtropical ravine garden running down to the Helford River near Mawnan Smith in Cornwall. Its coast redwood stands around 30 metres on Badger's Walk, one of a handful of trees pre-dating the developed garden, with a strikingly broad, gnarled trunk base; giant sequoia is also among the conifers here. Paid entry (adults around £17.60), with free parking.

Sources

GBIF

Last updated: 20 Jun 2026

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