GrappleMap Network - BJJ London

GrappleMap

GrappleMap

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Show gym markers

Toggle individual gym dots and clusters. Switch off when you only want density overlays.

Heatmap overlay

Visualise overall gym density. Works best when combined with a wider zoom level.

Borough highlights

Pins the approximate centre of each borough with gym counts so you can compare coverage quickly.

🏷️Boroughs

No borough metadata available.

📍Map actions

Radius (1.0 mi)Ring opacity (0.15)Show coverage rings

🧭Map info

Data sourced from curated CSV + OpenStreetMap geocoding; last sync via Postgres backend.