There is one giant sequoia (Sequoiadendron giganteum) close to Bridge 113 in Llangattock (county of Powys).
The girth of the tree is 10.70 m measured at a height of 1.50 m (Jul 16, 2009, Jeroen Philippona). Its height is around 39.50 m (Jul 16, 2009, clinometer or tangent style (laser) hypsometer (e.g. Forestor Vertex), Jeroen Philippona).
The growth rate shown in the table shows the yearly average increase in girth since the last measurement. This value only gives an indication of the growth rate, since every measurement could be done at slightly different heights and during different periods of the year.
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The girth of the tree is 10.70 m measured at a height of 1.50 m (Jul 16, 2009, Jeroen Philippona). Its height is around 39.50 m (Jul 16, 2009, clinometer or tangent style (laser) hypsometer (e.g. Forestor Vertex), Jeroen Philippona).
Growth rate
The girth was measured more than once:| Year | Girth@1.3 m | Girth@1.5 m | Measurement | Growth rate |
| 2007 | ? | 10.60 m | Tim B | - |
| 2009 | 11.70 m | 10.70 m | Jeroen Philippona | 5 cm/year |
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Giant sequoia (Sequoiadendron giganteum) "1719"
View of the giant sequoia with the village of Crickhowell visible in the distance.
The large base of the giant sequoia with the typical reddish bark.