Defend the Realm!
With Trolls' Mountain Fortress

Relive the epic battles of the Fantasy Era with this classic 2009 set. Featuring 845 pieces and 10 minifigures for endless adventure!

🏛 Fantasy Era
Set #7097

Trolls' Mountain Fortress

Trolls' Mountain Fortress is an epic fantasy set that captures the imagination.

🏆 Best For: Ideal for teens and adults who enjoy castle themes and fantasy settings ⏱ 4.5 hr build 🧩 845 pcs 🎂 Ages 7+
★★★★☆ 4.3 from 8 reviews

Fans praise the unique troll minifigures and the overall design of the fortress, appreciating its playability and display value. Some criticisms include the repetitive build process and the relatively high price point for the piece count.

MSRP
$99.99
Best Price
$89.99
You Save
10% OFF
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📝 Our Take

Trolls' Mountain Fortress is an epic fantasy set that captures the imagination. With its imposing structure, detailed minifigures, and play features, this set brings the classic battle between good and evil to life in LEGO form. The fortress design, complete with traps and hidden passages, provides a fantastic setting for imaginative play and display.

This set is perfect for LEGO Castle enthusiasts and fans of fantasy themes. The build offers a rewarding experience, combining classic LEGO construction with creative design elements. The inclusion of multiple minifigures and a horse adds to the playability and collectibility of the set.

Skip this if you are not a fan of the Fantasy Era theme or prefer more modern building techniques. While the set offers a nostalgic charm, those seeking highly detailed, realistic builds might prefer sets from the LEGO Icons or Architecture series.

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🧱 Building Experience

🧩
845
Pieces
4.5h
Build Time
📊
Intermediate
Difficulty
👤
7-14
Ages
Build Highlights:
  • Intricate fortress design with multiple levels and hidden features
  • Integration of play features like traps and a break-away wall
  • Creative use of reddish-brown and dark bluish gray to create a rugged, mountainous look
  • Dynamic posing possibilities with the included giant troll figures

📈 Investment Analysis

→ Price stable
B+
Investment Grade
⏳ Active
Trolls' Mountain Fortress is a retired set from the Fantasy Era theme, which has a dedicated following among LEGO collectors. The set's age, combined with its relatively high piece count and the inclusion of several unique minifigures (especially the giant trolls), makes it a potentially attractive investment. However, its value appreciation will depend on the overall demand for the theme and the condition of the set. While it's not a guaranteed high-return investment, its rarity and desirability could lead to steady growth over time.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

The trolls have captured the King and imprisoned him in their huge fortress hidden high in the mountains! Guarded by mighty giant trolls and protected by a powerful sorceress and secret traps, the evil Troll King has sworn that his prisoner will never escape. It's up to the bravest knights in the kingdom to defeat the trolls and rescue their king! Includes horse and 10 minifigures: Good King, 3 knights, 2 giant trolls, Troll King, troll soceress and 2 troll warriors Troll fortress measures 14" (36cm) long, 10" (25cm) wide, and 11" (28cm) high

Compare Similar Sets

Compared to other LEGO Castle sets, Trolls' Mountain Fortress stands out due to its unique focus on trolls as the primary antagonists. Sets like 70404-1 King's Castle offer a more traditional castle experience with knights and kingdom themes, while 70402-1 The Gatehouse Raid provides a smaller, more affordable option. Collectors interested in fantasy elements might prefer this set, while those seeking classic castle aesthetics may opt for other alternatives.

📦 Full Parts Inventory - 127 unique parts • 742 total pieces

Panel 3 x 3 x 6 Corner Wall Panel 3 x 3 x 6 C...
Part #: 2345 Light Bluish Gray
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 White
Brick 2 x 2 Corner Brick 2 x 2 Corner
Part #: 2357 Dark Bluish Gray
Wedge Plate 3 x 6 Cut Corners Wedge Plate 3 x 6...
Part #: 2419 Dark Bluish Gray
Plate 2 x 2 Corner Plate 2 x 2 Corner
Part #: 2420 Light Bluish Gray
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Black
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Dark Brown
Plate 2 x 12 Plate 2 x 12
Part #: 2445 Reddish Brown
Slope Inverted 75° 2 x 1 x 3 Slope Inverted 75...
Part #: 2449 Dark Brown
Brick 2 x 6 Brick 2 x 6
Part #: 2456 Reddish Brown
Wedge 3 x 3 Facet Wedge 3 x 3 Facet
Part #: 2462 10× Light Bluish Gray
Barrel 2 x 2 x 2 Barrel 2 x 2 x 2
Part #: 2489 Dark Brown
Plate Special 1 x 2 Side Handle [Free Ends] Plate Special 1 x...
Part #: 2540 Dark Bluish Gray
Tile Special 1 x 1 with Clip and Straight Tips Tile Special 1 x ...
Part #: 2555 Black
Bar, 4 Top Bars, Palm Tree Top Bar, 4 Top Bars, ...
Part #: 2566 Black
Shield Ovoid with Crown on Dark and Medium Blue Quarters Print Shield Ovoid with...
Part #: 2586pr0024 Light Bluish Gray
Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Plate Round 2 x 2...
Part #: 2654 Tan
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 Black
Brick 2 x 4 Brick 2 x 4
Part #: 3001 Dark Bluish Gray
Brick 2 x 3 Brick 2 x 3
Part #: 3002 Dark Bluish Gray
Brick 2 x 3 Brick 2 x 3
Part #: 3002 Reddish Brown
Brick 2 x 2 Brick 2 x 2
Part #: 3003 12× Light Bluish Gray
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Reddish Brown
Brick 1 x 2 Brick 1 x 2
Part #: 3004 Light Bluish Gray
Brick 1 x 2 Brick 1 x 2
Part #: 3004 White
Brick 1 x 2 Brick 1 x 2
Part #: 3004 39× Dark Bluish Gray
Plate Special 1 x 4 with Bar Down Plate Special 1 x...
Part #: 30043 Black
Brick 1 x 1 Brick 1 x 1
Part #: 3005 28× Reddish Brown
Brick 1 x 1 Brick 1 x 1
Part #: 3005 Light Bluish Gray
Fence Spindled 1 x 4 x 2 [2 Top Studs] Fence Spindled 1 ...
Part #: 30055 Black
Fence Spindled 4 x 4 x 2 Quarter Round with 2 Studs Fence Spindled 4 ...
Part #: 30056 Black
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Light Bluish Gray
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Reddish Brown
Plant, Sea Grass Plant, Sea Grass
Part #: 30093 Dark Green
Brick Arch 1 x 5 x 4 Inverted Brick Arch 1 x 5 ...
Part #: 30099 Dark Brown
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Light Bluish Gray
Brick 1 x 4 Brick 1 x 4
Part #: 3010 12× Dark Bluish Gray
Animal, Bat Animal, Bat
Part #: 30103 Black
Equipment Crystal Ball Globe 2 x 2 x 2 Equipment Crystal...
Part #: 30106 Trans-Clear
Stairs 7 x 4 x 6 Straight Open Stairs 7 x 4 x 6 ...
Part #: 30134 Reddish Brown
Brick Special 1 x 2 Palisade [aka Log] Brick Special 1 x...
Part #: 30136 Reddish Brown
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Dark Bluish Gray
Plate 2 x 4 Plate 2 x 4
Part #: 3020 Reddish Brown
Plate 1 x 2 Plate 1 x 2
Part #: 3023 White
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Black
Brick Special 1 x 2 with Vertical Clip [Thick U Clip] Brick Special 1 x...
Part #: 30237a Reddish Brown
Insect, Spider Insect, Spider
Part #: 30238 Black
Panel 3 x 4 x 6 with Arched Window Panel 3 x 4 x 6 w...
Part #: 30246 Light Bluish Gray
Plate 6 x 16 Plate 6 x 16
Part #: 3027 Dark Bluish Gray
Plate 6 x 12 Plate 6 x 12
Part #: 3028 Dark Bluish Gray
Plate 4 x 12 Plate 4 x 12
Part #: 3029 Dark Bluish Gray
Plate 4 x 10 Plate 4 x 10
Part #: 3030 Dark Bluish Gray
Plate 4 x 10 Plate 4 x 10
Part #: 3030 Reddish Brown
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Dark Bluish Gray
Plate 6 x 10 Plate 6 x 10
Part #: 3033 Dark Green
Plate 4 x 8 Plate 4 x 8
Part #: 3035 Dark Bluish Gray
Slope 45° 2 x 4 Slope 45° 2 x 4
Part #: 3037 Reddish Brown
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 Black
Slope 45° 2 x 2 Slope 45° 2 x 2
Part #: 3039 Dark Bluish Gray
Slope Inverted 45° 4 x 2 Double with Pins and Axle Hole Type 2 [X Opening] Slope Inverted 45...
Part #: 30390b Light Bluish Gray
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Dark Bluish Gray
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b Reddish Brown
Slope 45° 2 x 1 with Bottom Pin Slope 45° 2 x 1 w...
Part #: 3040b 12× Dark Green
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 Black
Slope 45° 2 x 2 Double Convex Slope 45° 2 x 2 D...
Part #: 3045 Dark Bluish Gray
Slope 45° 2 x 1 Triple with Ovoid Bottom Pin Slope 45° 2 x 1 T...
Part #: 3048c Black
Wedge Plate 4 x 4 Cut Corner Wedge Plate 4 x 4...
Part #: 30503 Dark Bluish Gray
Wedge Plate 4 x 4 Cut Corner Wedge Plate 4 x 4...
Part #: 30503 Dark Green
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Trans-Red
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Reddish Brown
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Reddish Brown
Technic Axle and Pin Connector Angled #1 Technic Axle and ...
Part #: 32013 Light Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 Red
Brick 1 x 2 x 2 with Inside Axle Holder Brick 1 x 2 x 2 w...
Part #: 3245b 20× Light Bluish Gray
Technic Ball Joint Technic Ball Joint
Part #: 32474 Black
Technic Pin Connector Plate 1 x 2 x 1 2/3 [Two Holes On Top] Technic Pin Conne...
Part #: 32530 Dark Bluish Gray
Food Turkey Drumstick [Short] - 20mm Round Opening Food Turkey Drums...
Part #: 33057 Dark Orange
Brick Arch 1 x 6 Brick Arch 1 x 6
Part #: 3455 Light Bluish Gray
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Dark Bluish Gray
Plate 1 x 8 Plate 1 x 8
Part #: 3460 11× Dark Brown
Brick 1 x 3 Brick 1 x 3
Part #: 3622 16× Reddish Brown
Brick 1 x 3 Brick 1 x 3
Part #: 3622 Light Bluish Gray
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Black
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Light Bluish Gray
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Black
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 18× Dark Bluish Gray
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Light Bluish Gray
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Black
Slope 75° 2 x 2 x 3 [Hollow Studs] Slope 75° 2 x 2 x...
Part #: 3684 Dark Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 30× Light Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Reddish Brown
Slope Inverted 33° 3 x 2 [Connections between Studs] Slope Inverted 33...
Part #: 3747b 10× Dark Bluish Gray
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Reddish Brown
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Black
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Dark Bluish Gray
Plate 2 x 6 Plate 2 x 6
Part #: 3795 Reddish Brown
Hinge Brick 1 x 4 [Upper] Hinge Brick 1 x 4...
Part #: 3830 Reddish Brown
Hinge Brick 1 x 4 [Lower] Hinge Brick 1 x 4...
Part #: 3831 Reddish Brown
Plate 2 x 10 Plate 2 x 10
Part #: 3832 Reddish Brown
Shield Triangular with Crown on Dark / Medium Blue Quarters Print Shield Triangular...
Part #: 3846pr0016 Light Bluish Gray
Weapon Sword / Shortsword Weapon Sword / Sh...
Part #: 3847 Pearl Light Gray
Brick Round 2 x 2 with Axle Hole Brick Round 2 x 2...
Part #: 3941 Black
Cone 2 x 2 x 2, Open Stud Cone 2 x 2 x 2, O...
Part #: 3942c Dark Bluish Gray
Brick Special 1 x 1 with Headlight Brick Special 1 x...
Part #: 4070 Black
Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Plate Special 1 x...
Part #: 4085c Black
Wedge Plate 4 x 2 Right Wedge Plate 4 x 2...
Part #: 41769 Reddish Brown
Wedge Plate 4 x 2 Left Wedge Plate 4 x 2...
Part #: 41770 Reddish Brown
Slope 33° 3 x 1 Slope 33° 3 x 1
Part #: 4286 Dark Bluish Gray
Panel 1 x 4 x 1 with Rounded Corners [Thick Wall] Panel 1 x 4 x 1 w...
Part #: 43337 Light Bluish Gray
Weapon Pike / Spear [4 Side Blades] Weapon Pike / Spe...
Part #: 43899 Dark Bluish Gray
Cylinder Hemisphere 2 x 2 Ball Turret Socket Base Cylinder Hemisphe...
Part #: 44358 Reddish Brown
Slope 75° 2 x 1 x 3 with Hollow Stud Slope 75° 2 x 1 x...
Part #: 4460b Light Bluish Gray
Slope 75° 2 x 1 x 3 with Hollow Stud Slope 75° 2 x 1 x...
Part #: 4460b 14× Dark Brown
Slope 75° 2 x 1 x 3 with Hollow Stud Slope 75° 2 x 1 x...
Part #: 4460b 20× Dark Bluish Gray
Animal / Creature Accessory, Saddle [Two Clips] Animal / Creature...
Part #: 4491b Dark Bluish Gray
Animal, Horse, Movable Head, Black Eyes, White Pupils, Brown Bridle Print Animal, Horse, Mo...
Part #: 4493c01pr0011 White
Weapon Pike / Spear Round End Weapon Pike / Spe...
Part #: 4497 Dark Brown
Rock Panel 2 x 4 x 6 Rock Panel 2 x 4 x 6
Part #: 47847 Dark Bluish Gray
Skull 1 x 4 x 3 Relief with Two Pins Skull 1 x 4 x 3 R...
Part #: 47990 Dark Bluish Gray
Animal / Creature Accessory, Horse Battle Helmet [Angular, Front Clip] Animal / Creature...
Part #: 48492 Dark Blue
Plate Special 1 x 1 with Tooth Plate Special 1 x...
Part #: 49668 16× Dark Red
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small Animal Body Part,...
Part #: 53451 White
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Dark Green
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 13× Dark Bluish Gray
Weapon Mace / Flail Spiked Weapon Mace / Fla...
Part #: 59232 Pearl Light Gray
Wave / Lightning Angular, Double with Marbled Trans-Green Pattern Wave / Lightning ...
Part #: 59233pat0002 Trans-Neon Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Neon Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 Trans-Green
Cone 1 x 1 [Top Groove] Cone 1 x 1 [Top G...
Part #: 59900 34× Reddish Brown
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Plate Special 1 x...
Part #: 6019 Dark Bluish Gray
Bar 7 x 3 with Double Clips (Ladder) [Straight Clips] Bar 7 x 3 with Do...
Part #: 6020 Black
Plate Round 4 x 4 with Pin Hole Plate Round 4 x 4...
Part #: 60474 Dark Bluish Gray
Plate Special 1 x 2 with Handle on End [Closed Ends] Plate Special 1 x...
Part #: 60478 Light Bluish Gray
Plate 1 x 12 Plate 1 x 12
Part #: 60479 Light Bluish Gray
Door Frame 1 x 4 x 6 Type 2 Door Frame 1 x 4 ...
Part #: 60596 Black
Door 1 x 4 x 6 Barred with Stud Handle Door 1 x 4 x 6 Ba...
Part #: 60621 Light Bluish Gray
Castle Turret Top 4 x 8 x 2 1/3 Castle Turret Top...
Part #: 6066 Dark Brown
Weapon Club Large (Troll) Weapon Club Large...
Part #: 60674 Dark Brown
Weapon Sword / Scimitar Notched Blade Weapon Sword / Sc...
Part #: 60752 Pearl Light Gray
Rock Panel Rectangular 4 x 10 x 6 (aka BURP) Rock Panel Rectan...
Part #: 6082 Dark Bluish Gray
Rock Panel Triangular 3 x 8 x 7 (aka LURP) Rock Panel Triang...
Part #: 6083 Dark Bluish Gray
Brick Arch 1 x 12 x 3 Brick Arch 1 x 12...
Part #: 6108 Light Bluish Gray
Brick 1 x 10 Brick 1 x 10
Part #: 6111 Dark Bluish Gray
Brick 1 x 12 Brick 1 x 12
Part #: 6112 Black
Weapon Halberd / Axe Elaborate Weapon Halberd / ...
Part #: 6123 Dark Bluish Gray
Wave / Flame Rounded with Base Pegs Wave / Flame Roun...
Part #: 6126a Trans-Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Light Bluish Gray
Turntable 4 x 4 Square Base, Locking Turntable 4 x 4 S...
Part #: 61485 Black
Shield Octagonal without Stud with Troll Skull on Dark Red Print Shield Octagonal ...
Part #: 61856pr0001 Dark Bluish Gray
Equipment Key Equipment Key
Part #: 62808 Dark Bluish Gray
Equipment Telescope / Torch / Spyglass, Support Round 1 x 1 x 1 2/3 Equipment Telesco...
Part #: 64644 Black
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Reddish Brown
Wave / Flame Rounded Large with Marbled Trans-Orange Pattern Wave / Flame Roun...
Part #: 85959pat0001 Trans-Red
The set contains a substantial quantity of Dark Bluish Gray and Reddish Brown bricks, making it a valuable source for builders looking to create castle-themed MOCs. The various slopes and technic bricks also provide useful elements for adding detail and functionality to custom builds.

🛒 Where to Buy

LEGO (UK)
✓ In Stock
£74.99
eBay
✓ In Stock
$89.99
Walmart
✓ In Stock
$94.99
Target
✓ In Stock
$99.99
LEGO (US)
✓ In Stock
$99.99
Amazon

💎 Notable Parts

Dark Bluish Gray Brick 1 x 2 (39x) $1.95
Reddish Brown Cone 1 x 1 [Top Groove] (34x) $1.70
Light Bluish Gray Technic Brick 1 x 2 [1 Pin Hole] (30x) $2.40
Dark Red Plate Special 1 x 1 with Tooth (16x) $4.00
Dark Brown Slope 75° 2 x 1 x 3 with Hollow Stud (14x) $3.50
Est. BrickLink Part Value
$13.55

💡 MOC Potential

🏰 Expand the fortress into a larger castle complex
🌳 Create a troll cave system within the mountain
🧙 Build a sorceress's tower as an addition to the fortress

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Charts Inventory Statistics

127
Unique Parts
779
Total Pieces
10
Minifigures
Inventory Version: 2