IOF Map Commission


International Specification for Orienteering Maps (ISOM 2017)
International Specification for Sprint Orienteering Maps
International Specification for MTB Orienteering Maps
International Specification for Ski Orienteering Maps 2014 (updated)
IOF Control Descriptions
Control Descriptions symbols only
Check list for controlling the map making of major IOF events
Guidelines for using non-offset printed maps in WREs
Ski orienteering map_symbols and map scales (PDF)
Ski orienteering map_symbols and map scales (OCAD-9)
Ski orienteering map_symbols and map scales (OCAD-11)

Test sheet for assessing print quality for orienteering maps

ISOM Revision Project Feedback 2016
ISOM Revision Project Feedback 2013
News on the ISOM revision project (December 2011)

ISOM 2000 can be sent from the IOF Office by request to

International Conferences on Orienteering Mapping

2016 – Strömstad, Sweden

Invitation and Call for presentation

2014 – Lavarone, Italy


2012 – Lausanne, Switzerland


2010 – Trondheim, Norway


Map Clinics

To be updated.

Instructor’s kit (external link)
Event maps

Foot orienteering
MTB orienteering
Ski orienteering
Trail orienteering

Evaluation of event maps

Evaluation FootO 2010
Evaluation SkiO MTBO TrailO 2010
Evaluation 2009
Evaluation 2008

Evaluation 2007
Evaluation 2006

Inofficial translations of the International Specifications for Orienteering Maps

Translations are made by national federations and private persons. Please note that in any conflict between the original English IOF version and the translation, the English IOF version shall prevail.

ISOM Bahasa Indonesia
ISOM Bulgarian
ISOM Czech
ISOM Estonian
ISOM French
ISOM German
ISOM Hungarian
ISOM Italian
ISOM Japanese
ISOM Portuguese
ISOM Russian
ISOM Slovakian

ISSOM Bahasa Indonesia
ISSOM Japanese

Control Descriptions Bahasa Indonesia
Control Descriptions Japanese

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