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Welcome to the CLOK web site, which contains information for orienteers – and potential new orienteers – in the Cleveland area.

Latest News

The CLOK Annual Dinner will take place in Great Ayton Football and Cricket Club on the evening of Friday 27‑Apr‑2018.  Follow the link for details.  (The online booking system is now closed.)

CLOK's next event will take place at Hutton Lowcross, near Guisborough, on Sunday 29‑Apr‑2018.  Follow the link for more details.
The first event in CLOK's Summer Series of evening events will take place at Coatham Woods on Tuesday 1‑May‑2018.  Follow the link for more details.
CLOK member Paul Thornton, who has been diagnosed with prostate cancer, is going to cycle the route of a stage of the Tour de Yorkshire to raise funds for Prostate Cancer UK.  Given that Paul is currently undergoing a course of chemotherapy, this will be quite a challenge.  If you would like to make a donation, please visit Paul's JustGiving page.
CLOK MEMBERS:  Might you be able to organise, plan or control one of CLOK's future events?  Please visit the Event Officials page to see the current vacancies.
Follow this link for information about the CLOK League, including the final league tables for 2017.
The Acorn Trophy (CLOK Championship) winners for 2017 were:-
>> Female:  Ann Cranke
>>Male:Aidan Rigby
You can get information about CLOK's events and other activities via CLOK's Facebook page or by signing up to CLOK's weekly newsletter.
If you would like to receive email reminders about CLOK events then sign up for the email notification system.

From the webmaster

One of my main aims is to make this web site a comprehensive source of information for Cleveland-based orienteers.  In particular, you should be able to find information (or links to information) about all the events that are likely to be of interest to orienteers living in the Cleveland area.  This includes our own CLOK events, of course, but it also includes (a) all other events within reasonable traveling distance and (b) major events -- like the JK, the Scottish 6-Days, etc. -- that are likely to be of interest to CLOK members.  With this in mind, if you find anything missing from the site then please let me know.

I set up RouteGadget in October 2006, so competitors at CLOK events can now view the course maps, enter their routes, view other competitors' routes and watch animations showing how they and their competitors progressed around the course.

If you have any views on which developments should be given priority, or if you have any other ideas for improvements to the web site, then please contact me.

Also, if you find any broken links or errors then please let me know.

Alastair Mackenzie
CLOK Webmaster
Email address: