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

Contents

Alphabetical index

Browse topics

Reference

Other editions

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

Trollshaws

The Troll-woods west of Rivendell

A patch of woodland in the eastern parts of Eriador, lying along the course of the East Road between the courses of the rivers Hoarwell and Bruinen, directly westward of Rivendell. Between the valleys of these two rivers, the land rose to higher elevations, and under the trees of Trollshaws lay at least one rocky hill. The name 'Trollshaws' incorporates the old word 'shaw', meaning a small wood or thicket, though in fact these woods formed a relatively broad belt of trees running some fifty miles from west to east.

It is evident from the name of this wood that it had long been associated with Trolls. Three of these are particularly well known: a group of three who occupied a Troll-hole in the western part of the woods and waylaid travellers on the East Road. It was these three who captured the Dwarves of Thorin's Company as they journeyed on the Quest of Erebor, only to be tricked by Gandalf and turned to stone.

The Encyclopedia of Arda
The Encyclopedia of Arda