The Encyclopedia of Arda - an interactive guide to the world of J.R.R. Tolkien

Contents

Alphabetical index

Browse topics

Reference

Tolkien news and resources

Sponsors and associates

Welcome to The Encyclopedia of Arda

The Encyclopedia of Arda is a personal project - a tribute to and a celebration of the works of J.R.R. Tolkien. The site is evolving into an illustrated hypertext encyclopedia of Tolkien's realms and peoples. It already contains about four thousand entries, and we're constantly adding new entries and expanding existing ones.

Inside the encyclopedia

The Encyclopedia of Arda contains thousands of articles covering topics from J.R.R. Tolkien's world, some brief, some lengthy and some containing detailed essays and discussions.

You'll also find a selection of interactive tools, including a chronicle to help you explore Tolkien's fictional history, and calendar to translate dates and events, a lexicon of names, a glossary of old and rare words, and much more.

Context and approach

The content of the Encyclopedia is written in the same context as Tolkien himself used; he presented himself simply as a translator, rather than originator of the tales. Hence, we try to describe his world from a 'historical' rather than a literary perspective, though sometimes it's useful to explore ideas in their wider context. Where relevant, therefore, you'll also find a few references to Tolkien's life or opinions, or to real historical or mythological parallels to events in his universe.

About the name Arda

Arda was the name given by the Elves to their world and all it contained, and so 'Encyclopedia of Arda' seemed a peculiarly apt title for this project.

Special thanks

Thanks to all those who've e-mailed us over the years with their suggestions, corrections, ideas and just general support.

But the real Special Thanks, though, belong to the memory of J.R.R. Tolkien for his extraordinary and unparalleled creation.

For acknowledgements and references, see the Disclaimer & Bibliography page.

Original content © copyright Mark Fisher 1997-2026. All rights reserved. For conditions of reuse, see the Site FAQ.

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Latest entries and updates

Featured Entry

Emyn Duir

The Dark Mountains of Greenwood the Great

In the wide and wild lands of Rhovanion, a vast forest ran eastward from the Vales of Anduin, forming an almost unbroken canopy of trees that extended for hundreds of miles. In the northern parts of this forest, a chain of high hills ran from west to east, reaching their tallest extent in the eastern end of the range.

Through most of the earlier history of Middle-earth, the wide forest was known as Eryn Galen, Greenwood the Great, and under its trees a people of the Silvan Elves lived in peace. The slopes of the high hills running through the forest were densely covered in firs, and so the Elves of the Wood gave them the name Emyn Duir, the Dark Mountains. That name had no ominous associations in those times, referring simply to the shade of the thick growths of fir trees on the hills.

The Encyclopedia of Arda
The Encyclopedia of Arda