Mid Wales Orienteers

Orienteering Maps

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Orienteering maps are specially made for the sport.

Permission to hold an event is first obtained from the landowner.

A base map is prepared, sometimes from Ordnance Survey material, but more often directly from air photographs, using a process called photogrammetry.

Then club members, or sometimes professional orienteering mapmakers, visit the area and may spend many days surveying the terrain on foot, adding detail to the map which isn't shown on the base map.

Finally an orienteering map is drawn at large scale - usually 1:10,000 or 1:15,000 - using the standard International Orienteering Federation symbols provided in a specialist computer mapping programme.

Click here for a location map of Mid Wales showing areas which have been (or are being) mapped for orienteering events

A few examples of Mid Wales Orienteers maps are shown below.

NANT-YR-ARIAN

This is the map used for our event on 20th March,
based at Bwlch Nant-yr-arian, 10 miles east of Aberystwyth.

CLICK THE MAP FOR A BETTER VIEW

Click here for an explanation of orienteering map symbols.

COED MAENARTHUR

In the Ystwyth Valley near Pontrhydygroes.
The air photo below the map is of the same area.

COED ALLT DDÊL

A small forest just outside Aberystwyth

DYFNANT

A forest area near Lake Vyrnwy

COED TYNBEDW

A forest in the Ystwyth valley