Mount Snever Observatory is a Grade II listed building in the North York Moors National Park local planning authority area, England. First listed on 14 March 1986. Observatory.

Mount Snever Observatory

WRENN ID
iron-bailey-ebony
Grade
II
Local Planning Authority
North York Moors National Park
Constituency
Thirsk and Malton MP: Kevin Hollinrake (Con)
Country
England
Date first listed
14 March 1986
Type
Observatory
Address
Mount Snever Observatory, Oldstead, North Yorkshire
OS grid reference
SE 537 804
Coordinates
54.21712, -1.17779
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Mount Snever Observatory is an observatory built in 1838 by builder J. Dodd for John Wormald. It is constructed from limestone ashlar and is a single cell with a platform at the front, standing approximately 35 feet tall. The structure features a nine-course coped wall and shows evidence of a former staircase on the right side leading to the platform.

The entrance has a board door beneath a massive stone lintel, which is flanked by crude buttresses. Above the door, there is an inscription that reads:

"Here hills and waving groves a scene display
And part admit and part exclude the day
See rich industry smiling on the plains
And peace and plenty tell VICTORIA reigns!
Happy the MAN who to these shades retires
Whom NATURE charms and whom the muse inspires
Who wandering thoughtful in this silent wood
Attends the duties of the wise and good
To observe a mean, be to himself a friend
To follow NATURE and regard his end."

Above this, there is a 3-light fixed window, with evidence of a former tall single-light window that has been blocked. The observatory also features a wooden parapet and coped angle turrets. On the rear facade, there is another inscription that states:

"John Wormald
In the first year of the reign of
Queen Victoria
Caused this observatory to be erected
J Dodds Builder."

At the time of the resurvey, the observatory was disused.

Local climate

Mount Snever Observatory receives an average of 750 mm of rain a year. This makes it drier than 70% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 82% of listed buildings.

It experiences an average of 42 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 23 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

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