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 1997-2025. All rights reserved. For conditions of reuse, see the Site FAQ.

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Latest entries and updates

Featured Entry

Last Bridge

The Bridge of Mitheithel

The old stone bridge that carried the East-West Road over the river Mitheithel, about a hundred miles east of Weathertop. Its three arches crossed the wide river at the bottom of a valley, and to the east the land rose again into the wooded hills of the Trollshaws, in which Bilbo and his companions encountered an unfriendly trio of trolls. Indeed, there is an oblique reference to an 'ancient stone bridge' in chapter 2 of The Hobbit that seems to be a reference to the Last Bridge.

No record of its builders survives, but it was most likely constructed by the Dúnedain of Arnor, or perhaps of the later kingdom of Rhudaur, in which it lay. There was no other means of crossing the river for hundreds of miles to the north, and so the bridge had great strategic value. In the War of the Ring, three Black Riders attempted to hold it against Aragorn and the Hobbits on their journey to Rivendell. Their plan was foiled by Glorfindel, who drove them away and left his token, a green beryl, on the bridge.

The Encyclopedia of Arda
The Encyclopedia of Arda