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Tickets
Key info
About
Website
Established
Genres
Date
Location
Size
Age policy
Lineup
Tickets
Key info
About
Website
Established
Genres
Date
Location
Size
Age policy
Belvoir Castle, Grantham
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Historical prices, captured while tickets were on sale — for reference only.
About
Forbidden Forest is a multi-genre electronic music festival held in Grantham, Lincolnshire, celebrating its 10th anniversary in 2026. The festival spans a long weekend in early June and brings together drum and bass, house, techno, and dance music ac…
Website
Genres
Date
4 - 7 June, 2026
Location
Belvoir Castle, Grantham
Size
Large · 22,000
Established
2016, Running 10 years
Vibe
Stages sit among the trees below Belvoir Castle, and people dance on uneven woodland ground in wellies. The silent disco and campsite bars keep going until 4am.
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WHAT PEOPLE SAID
“Crowd genuinely into the music”
“Strangers become friends quickly”
“Woodland setting does the heavy lifting”
“Sells out well in advance”
“Wellies advised, uneven terrain throughout”
