Brimham Rocks EarthCache
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A glacier feature in North-Yorkshire.
Large area of strange rock formations, huge millstone grit boulders that have naturally eroded into freaky shapes. Site owned and run by the National Trust...
About 320 million years ago, a huge river washed down grit and sand from granite mountains in northern Scotland and Norway. A delta formed, covering half of all Yorkshire. Layer upon layer of grit and sand, along with rock crystals of quartz and feldspar, built up, to form the tough sandstone known as Millstone Grit. This is the exposed sections of which can be seen today at Brimham Rocks.
A feature of the rocks is their cross-bedding. As the water from the river flowed, it created forms such as ripples or dunes on the floor of the channel. Sediment was deposited on the down current side of these bed forms at an angle and not horizontally. The layering is inclined and dips in the direction that the water was moving.
Most of the rocks owe their strange shapes to erosion during and after the Devensian glaciation, the last glacial period (or Ice Age) of the Pleistocene in Britain, between about 80,000 years ago and 10,000 years ago. For example, Idol Rock was most likely formed just after the last glaciation when the land lacked any plant cover. Here, sand-blasting at ground level wore away the softer layers of the rock producing a tiny plinth with a massive top. Freeze-thaw action on the joints and bedding planes have shaped many of the tors such as the Dancing Bear.
Brimham Rocks are 4 miles east of Pateley Bridge off the B6265, 10 miles north west of Harrogate off the B6165, and 10 miles south east of Ripon.
It is open all year: From 8am till dusk. Facilities may close in bad weather
Pay-and-display car park £6,00 for 4 hours, £8,00 all day go to the NT website for other vehicles (NT members free); members’ season ticket available from property to display in car
A Shop with an exhibition room, opens 18 March, April, May and Oct: Sat & Sun, BHs and local school hols. 11–5; 27 May, June to Sept: daily 11–5; Nov & Dec: Sun, 26 Dec & 1 Jan: weather permitting; 5 Nov-17 Dec 06 on Sundays 11-5.
There are some hard surfaced paths giving access among the rock formations; wheelchair access to most areas, but WC. and Shop: access is difficult
A Braille guide and large-print guide are available.
Light refreshments, at the shop
Dogs should be under strict control at all times and on lead during April, May & June (ground-nesting birds)
Bus: Keighley & District 802 Bradford–Leyburn (Sun, June–Oct only); otherwise Harrogate & District 24 Harrogate–Pateley Bridge, alight Summerbridge, 2ml
Your task: To find Dancing Bear, Druid's writing desk and Idol following the path.
It is nice to make a picture of your GPS and preferably yourself beside one of the rockformations and give me the positions (coordinates please) by email of the other two formations. At the visitor centre, you have to find information about similar rockformations in Yorkshire and give me the name of one of them. Of course, you give me the details by emailing me via my profile. You can log the cache when you have send me the details. No mail will result in a deletion of your log.
Edit: as from April 1st 2018 you are allowed to give me a good estimate of the height of Dancing Bear and a bearing from there to Pateley Bridge instead of visiting the centre (when it is closed).
Additional Hints
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