LEGO King's Mountain Fortress (6081-1) is a 1990 set from the Lion Knights theme with 438 pieces.
Why collectors care
King's Mountain Fortress (6081-1) is part of the LEGO collecting graph through Lion Knights from 1990, with 438 pcs. LEGO collectors usually browse by theme, set number, release era, and display value, so this page keeps those paths close.
Collector summary
Decide where this fits.
King's Mountain Fortress is a lego collectible connected to LEGO and Lion Knights. Useful collector signals include release year 1990, set number 6081-1, and 438 pcs. Lion Knights has 26 catalogued releases on GrailHub, making this page a route into completion, variants, and nearby objects.
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Collector notes
King's Mountain Fortress (6081-1) is a LEGO Lion Knights release from 1990 with 438 pcs. GrailHub tracks it as part of the LEGO collecting lane, where set number, theme, release year, piece count, and display appeal all help collectors understand how the set fits on a shelf.
LEGO collectors often browse by theme first, so this page links back into Lion Knights, LEGO, and related LEGO objects. Use those links to compare nearby releases, find other display sets, or move from a single set into the wider theme.
Related LEGO entries currently connected to this object include Classic Knights Minifigure, Guarded Inn, and Treasure Cart. These links make it easier to keep exploring without jumping back to a generic search page.
Series context
Lion Knights
Lion Knights groups related lego entries from LEGO, so collectors can move from this object into nearby releases instead of treating it as a standalone record.
- Catalogued here
- 26 objects
- Release span
- 1984-2016
Nearby in this lane
Collection tracking
Start tracking Lion Knights
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Owned
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Wanted
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Grails
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Complete
Quick facts
- Set number
- 6081-1
- Release year
- 1990
- Piece count
- 438 pcs
- Theme / series
- Lion Knights
- Brand
- LEGO
- Category
- LEGO
Market snapshot
BrickEconomy valuation
- Retail price
- $58.00
- New/sealed value
- $2,942.61
- Used value
- $250.22
- Annual growth
- 12.0%
- 12-month growth
- 5.7%
- 2-year forecast
- $3,379.28
- 5-year forecast
- $3,898.37
Market data from BrickEconomy · Last updated Aug 12, 2026
Market data is informational and may be incomplete. GrailHub is not a marketplace or appraisal service.
Lifecycle
Retired
Released
Mar 1, 1990
Availability
Retail
Original retail prices
Minifigures
8 included
EAN
5702010960811
Recent new/sealed events
Recent used events
Data source
- Source
- Rebrickable
- Source ID
- 6081-1
- Source URL
- View on Rebrickable
LEGO catalogue data provided by Rebrickable.
Related objects
More from Lion Knights
Continue through the collecting graph by theme, maker, and category.