Llyn Cwm-mynach
Water body ID 35578

Llyn Cwm-mynach is a very small freshwater lake located in Gwynedd, Wales. It is generally very shallow with low alkalinity and is situated at mid altitude.

Surface area 6 ha
Mean depth  [i] 0.9 m
Maximum depth  [i] 11.0 m
Catchment area 125 ha
Grid reference SH67912384
Elevation 287 m A.O.D.

The development of the database was jointly funded by the Environment Agency, Natural England, Countryside Council for Wales, and the Scotland and Northern Ireland Forum for Environmental Research (SNIFFER). Lake polygon geometry in Northern Ireland is based upon Crown Copyright and is reproduced with the permission of Land & Property Services under delegated authority from the Controller of Her Majesty's Stationery Office, Crown copyright and database rights, EMOU206.2. Northern Ireland Environment Agency Copyright 2015. Lake polygon geometry in Great Britain is based on Ordnance Survey data and contains public sector information licensed under the Open Government Licence v3.0. Data about species occurrence presented on this page is provided by the National Biodiversity Network (NBN) and its use is subject to the NBN Atlas Terms and Conditions.