image EL_V_36_01
Image number: RS.15944
Credit: ©The Royal Society

Lake Cerknica, Slovenia


17 November 1687


Johann Weikhard von Valvasor (1641-1693, Austrian), Historian

Object type

Archive reference number

Manuscript page number




height (page): 114mm
width (page): 145mm



This printed figure was included in a letter from Johann Weikhard Valvasor to the Royal Society. It depicts details of Lake Zirknitz (modern-day Lake Cerknica) in Carniola (in modern-day Slovenia) with subterraneous passages.

The letter was read to the Royal Society on 14 December 1687, and the English translation was printed in the Philosophical Transactions of the Royal Society, vol. 16, no. 191 (1687), p. 4111.

Object history

At the meeting of the Royal Society on 14 December 1687, ‘The First part of John Weichard Valvasor’s letter from Carniola was read, being an accurate description of the lake Zirknitz in that country, with an account of the several subterraneous passages and holes, at which the water enters into, and leaves the lake; as also the manner of fishing in those holes; with the titles and tenures of the several gentlemen having right to the fishery of the lake. The rest of the letter was referred till the next meeting' (Birch 4:557-58).

The letter was further read on 11 January 1688 (JBO/8/176-77).

The account is printed as Johann Weikhard von Valvasor, 'A full and accurate description of the wonderful lake Zirknitz', Phil. Trans. vol. 16, no. 191 (1687), pp. 411-27, but this image was not used.

Related Fellows

Freiherr von Johann Weikhard Valvasor (1641-1693, Austrian), Natural historian

Associated place

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