LUMEN
0.00
km streets
0
Streets
0
Buildings
0
Places
Local coverage
0%
Mapping streets…
Location off
Tap the map where the find should be
You found

New find

v8

Explorers unlock this when they walk within the unlock distance. Everyone sees it, signed in or not.

Hidden until someone is nearby
Live (visible to explorers)

Explorer settings

Your progress is saved on this phone in this browser. Export a backup now and then.

Unexplored Street walked Building passed Place visited
How close to a street's centre line you need to be. Streets are split into 15 m pieces, so only the bits you actually walk light up.
A building lights up when you pass within this distance of its walls (or go inside).
Lower = more precise but may pause between tall buildings. Phone GPS is typically ±3–10 m in the open.
Show my walked route
Street names on map
Tracking runs while this page is open and the screen is on. Map data © OpenStreetMap contributors. Version 8

Save your progress

Sign in to keep your explored map safe in your own private account and carry it between phones. Only you can see your route.

or use email

Imperium

The competitive game. Walk a street or past a building to claim it in your colour. Walk a rival’s territory to steal it. Newly claimed ground is protected for 10 minutes, and demo walks don’t count.

Sign in to play, so your territory is saved and rivals can see who holds it.

Turn on location

Lumen needs your location to light up the streets you walk. Your phone is currently blocking it for this site. Here’s how to allow it:

    EBORACUM

    LUMEN

    Walk your city. Every street you walk down and every building you pass lights up, and stays lit, so you can see exactly where you've been.

    Uses your phone's location while this page is open. Keep the screen on while you walk for the most complete trail.