This is a bonus cache for the Reservoir Relief Adventure Lab. https://adventurelab.page.link/hik2
Anagram the five first letters of the AdLab answers as the Certitude keyword to obtain the coordinates for the cache which is hidden within the reservoir confines.
Llanishen and Lisvane Reservoirs is an SSSI area. Permission to place the cache has been given by Connor Allen, Business Support at the Visitor Centre. To protect habitats, you must adhere to the access restrictions posted around the site, particularly NO DOGS and STAY ON THE PATHS. The site is open 9-6 in the Summer and 9-4 in Winter when some paths will be closed to protect the flora and fauna.
You can validate your puzzle solution with
certitude.