There are two official information webpages about S:t Olavsleden. On these sites you’ll find maps, information about accomodation, contact information to the various local pilgrim centers, pilgrim hiking tips, tour offers and more.
For Sweden and Norway, take a look at stolavsleden.com
For Norway and information about all the St. Olav Ways, including S:t Olavsleden, see pilegrimsleden.no
S:T Olavsleden Shop – Guide books for St. Olavsleden, hiking products and souvernirs
Nordic Pilgrim is a company in Sweden who offers help with planning and booking. They also have some useful information about the path on their page.
Pilegrimsleden.no – packages
Facebook pages and groups
Guidebooks for S:t Olavsleden
These books are sold at external sites.
S:t Olavsleden – pilgrimsfärd från hav till hav, en guide. By Staffan Söderlind and Marie Sjöström
There is also an English translation:
St. Olavsleden – a pilgrims path in northern Scandinavia.
S:t Olavsleden Schweden von Selånger nach Trondheim. By Ria Warmerdam.
There is also a German translation: