Chiltern Challenge and SCOA Champs 2021, Hambleden

Level B

23rd May 2021

Location: Hambleden, near Henley-on-Thames on the south Bucks/Oxfordshire border
Nearest Postcode: RG9 3AN

IMPORTANT UPDATES on Saturday 22nd May:

The traders will now operate from the new car park field.

A pedestrian route from the middle of the new car park field will take you across Dairy Lane directly to the event.  See Final Details for updated Arena plan.

Please note that there is a Marlow Triathlon taking place during the whole of Sunday morning.  The cycling route takes competitors from Marlow to Henley and back.  PLEASE TAKE CARE OF CYCLISTS.

IMPORTANT UPDATES on Friday 21st May:  Car Park change

As a result of the recent wet weather, we have had to change the car park location for the event.  Car parking will now be on a drier field which means there will be a much reduced risk of getting stuck.

The same directions will still apply to find the car park.

The main difference this makes to the event is that the walk from the new car park to SI collection, to the Starts, and from the Finish will be approximately 300m further than stated before.  So the distance from the car park to all these locations is approximately 600m.

Entries still available on all courses
The database has now been frozen for the event, so no changes to entries are now permitted.
However pre-entries can still be made for colour classes.  (Entries by age class, which were created solely to sort out results of the SCOA Champs,  are now closed.)  There are currently spaces available on all courses, although a couple of courses are now (9:30am Saturday) almost full.

Start List (as of 09:30 Saturday 22nd May) is only available here
Final Details available here
Course Details (including Start and SCOA Age Class) available here
Control Descriptions for printing available here

SCOA Championships
Entries for SCOA Championships are now closed.
Medals will be awarded to the first three eligible in each SCOA age class. We are planning to hold a COVID-safe medal ceremony on the day at 14:30.

COVID-19 Precautions
The event will be held in a COVID-secure manner in accordance with British Orienteering’s operational guidance. It is really important that all participants read and abide by the COVID-19 Code of Conduct before, during and after competing.  It has been updated so please click the link above to read the latest version.

This event is pre-entry only, and is restricted to British Orienteering members only.

This event will be SIAC-enabled.

Directions / Parking

Outside Hambleden village, nr. Henley-on-Thames on S. Oxfordshire/Bucks border
• OS Grid Reference: SU 772855 (sheet 175)
• Nearest Postcode: RG9 3AN
• Signed from A4155, approx. 2 miles N. of Henley-on-Thames

Parking is in a very large field. There is no charge for parking. All facilities (SI Collection, Start, Finish, Download etc.) are in quite close proximity to the new car park location.

Terrain Description

Classic Chiltern undulating slopes covered in mature beech or mixed deciduous and conifer. Brashings and undergrowth are limited.

The Map

Based on map used for British Night Championships / Chiltern Challenge 2020 and JK 2013.
• Updated in 2021 by Mark Thompson and John Farren (TVOC).
• ISOM 2017
• Scale: 1:10:000
• 5m contours
• Pre-marked, waterproof paper

Start Times

• Entries remain open. However maps have been ordered, so numbers are limited to availability of maps.
• Pre-entry is through Fabian4
• There will be NO entry at the event itself. Pre-enter before you travel
• Start times are from 10:00 to 13:00
• Start times will NOT be posted at the event itself. Please make a note of your course Colour and Start Time from the start list above.


A full range of colour-coded courses (but no White or String courses)

How To Enter


Entries continue to be OPEN, subject to availability of maps. Entry is via Fabian4 - see link at top of page. When you enter, you will be asked to select a start time from the list of available start times remaining for your course.

Note that courses close at 15:00, by which time you must have downloaded. When selecting your start time, please ensure you allow yourself adequate time.

Small family or other groups are welcome (but no more than in pairs), but please enter only the Yellow or Orange courses. Enter as a senior. Change the name if you wish, for example to Jones Family. Add a note in the special request box (step 3 of Fabian4 entry process) to say you are entering as a pair, and we will arrange a second map at no extra charge, so you can both enjoy the navigational experience.


Entry Cost

• Late entries (assuming maps are still available) - Seniors £16, Juniors & Students £6.
• Adults and small family groups on Yellow and Orange £10 (including SIAC hire).
• SIAC hire £2.
• Lost SIACs charged at £65.

If you have a non-SIAC SI card, we do recommend hiring a SIAC, to minimise the risk of infection from touching a control unit in the forest.


A return to Hambleden, with its large car park field and supportive land-owner makes this an ideal area to use given ongoing uncertainty with Covid-19.
• CompassPoint
• British & Continental catering (Tom & Julie). Note that Tom and Julie prefer cash and handle it in a COVID-safe way to reduce queuing
• First Aid
• Toilets

Further Information

Cancellation Click here to read our policy on refunds if you or we have to cancel for any reason – for example because you are required to isolate for COVID reasons

Well-behaved dogs on a lead are welcome in the car park field. No dogs allowed in the woods. Please do not lock your dog in your car when on your run. Please clean up after your dog.

We are very grateful to the Culden Faw estate for allowing this event to go ahead. They have asked us to mention the work of the Children’s Air Ambulance, something we are glad to do.

The Children’s Air Ambulance provides a world-class medical transfer service, with specialist facilities so advanced that they can provide intensive care in the air for critically ill babies and children, up to the age of 18.

This is the UK’s only life-saving service of its kind. One of its two, specially equipped, bright green Agusta Westland 169 helicopters is based in Oxfordshire at Kiddlington Airport.

See for further details


Organiser: John Dalton, TVOC    email organiser      07767 362805
Planner: Mark Thompson and Peter Riches (TVOC)
Controller: Alan Rosen (HH)