
Dragon Mountain
Dragon Mountain is a 2013 LEGO Castle set built around a mountain fortress disguised as a dragon's head. It comes with 381 pieces, 159 unique elements and five minifigures. This page covers the full facts and the complete parts list.
- Set number
- 70403
- Year
- 2013
- Pieces
- 381
- Minifigures
- 5
- Theme
- Castle
- Different parts
- 159
Parts list 159
-
Brick Sloped 45° 2 × 1 Triple with Ovoid Bottom Pin
No longer produced · last seen 2014
× 10
-
Brick Round 1 × 1 Open Stud
× 10
-
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium
× 10
-
Plate 1 × 2
× 9
-
Brick Special 1 × 1 with Headlight
× 8
-
Plate 1 × 4
× 7
-
Brick Sloped 75° 2 × 1 × 3 with Hollow Stud
× 7
-
Brick Round 1 × 1 Open Stud
× 6
-
Brick Sloped Inverted 34° 3 × 1 with Internal Stopper
No longer produced · last seen 2020
× 6
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 6
-
Brick Wedged 2 × 2 Facet
× 6
-
Brick 2 × 6
× 5
-
Technic Brick 1 × 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
× 5
-
Brick Arch 1 × 4
× 5
-
Technic Pin without Friction Ridges Lengthwise
× 5
-
Stairs Spiral Step
No longer produced · last seen 2013
× 5
-
Brick Special 1 × 2 with Masonry Brick Profile
× 5
-
Plate 4 × 4 Corner
× 4
-
Technic Slope Short (Wing Front)
No longer produced · last seen 2014
× 4
-
Plate 1 × 2
× 4
-
Brick Sloped Inverted 45° 2 × 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]
× 4
-
Technic Axle Pin without Friction Ridges Lengthwise
× 4
-
Brick Special 1 × 2 Palisade [aka Log]
× 4
-
Hinge Plate 1 × 2 Locking with 1 Finger On Top
× 4
-
Hinge Cylinder 1 × 2 Locking with 2 Click Fingers and Axle Hole, 9 Teeth
No longer produced · last seen 2020
× 4
-
Tile 1 × 2 with Groove
× 4
-
Plate Round 2 × 2 with Axle Hole Type 1 (+ Opening)
× 4
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 4
-
Brick Round 4 × 4 Centre Hole
No longer produced · last seen 2018
× 4
-
Plate Special 2 × 2 with Groove and Center Stud (Jumper)
× 4
-
Brick Sloped 45° 2 × 1 with 2/3 Cutout [Original Version]
No longer produced · last seen 2014
× 4
-
Brick 1 × 4
× 3
-
Brick Sloped 45° 2 × 1 with Bottom Pin
× 3
-
Brick Arch 1 × 8 × 2
No longer produced · last seen 2014
× 3
-
Brick 1 × 3
× 3
-
Technic Brick 1 × 2 [1 Pin Hole]
× 3
-
Brick Special 1 × 4 Palisade [aka Log]
× 3
-
Stairs Spiral Step
No longer produced · last seen 2016
× 3
-
Plant / Creature Body Part, Vine / Tail / Tentacle / Bionicle Spine, Spiky
× 3
-
Tile 1 × 4 with Groove
× 2
-
Brick 1 × 2
× 2
-
Brick 1 × 1
× 2
-
Brick Sloped Inverted 45° 2 × 1
× 2
-
Weapon Lance
× 2
-
Brick Special 1 × 2 with 2 Studs on 1 Side
× 2
-
Brick Wedged 4 × 4 Facet
× 2
-
Brick Sloped Inverted 45° 3 × 1 Double with 2 Blocked Open Studs
× 2
-
Window 1 × 2 × 2 2/3 with Rounded Top
× 2
-
Window 1 × 2 × 2 & 2/3 Pane Twisted Bar with Rounded Top
No longer produced · last seen 2014
× 2
-
Plant, Round 1 × 1 - 3 Bamboo Leaves
× 2
-
Plate Round Corner 3 × 3
× 2
-
Brick Sloped 45° 2 × 1 Triple with Ovoid Bottom Pin
No longer produced · last seen 2014
× 2
-
Brick Special 1 × 2 with 2 Pins, Round Pin Holes
No longer produced · last seen 2019
× 2
-
Brick Round 1 × 1 Open Stud
No longer produced · last seen 2020
× 2
-
Technic Brick 1 × 2 [2 Pin Holes]
× 2
-
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
No longer produced · last seen 2021
× 2
-
Wedge Plate 4 × 6 Cut Corners
× 2
-
Technic Brick 1 × 2 with Axle Hole Type 1 [+ Opening] and Bottom Pin
× 2
-
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
× 2
-
Brick Sloped 65° 2 × 2 × 2 with Bottom Tube
× 2
No part matches this colour selection.
Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.
Spare parts (21)
These extra parts come with the set in case one gets lost.
-
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Medium
× 3
-
Technic Pin without Friction Ridges Lengthwise
× 2
-
Flame / Headwear Accessory Plume / Feather, Triple Point
No longer produced · last seen 2020
× 2
-
Headwear Accessory Visor Grille with Top Pin Hole (Castle)
× 1
-
Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
× 1
-
Technic Pin 1/2 without Friction Ridges
× 1
-
Plate Round 1 × 1 with Solid Stud
× 1
-
Plate Round 1 × 1 with Solid Stud
× 1
-
Leg Skeleton
× 1
-
Plant, Carrot Top
× 1
-
Headwear Accessory Crown / Tiara
× 1
-
Animal Body Part, Barb / Claw / Tooth / Talon / Horn, Small
× 1
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 1
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 1
-
Brick Sloped 30° 1 × 1 × 2/3 (Cheese Slope)
× 1
-
Flame / Headwear Accessory Plume / Feather, Triple Point
× 1
-
Hose Rigid 3mm D. 3L / 2.4cm
No longer produced · last seen 2016
× 1
-
Weapon Sword / Shortsword Elaborate Hilt
× 1
-
Tile Round 1 × 1
× 1
-
Tile Round 1 × 1
No longer produced · last seen 2015
× 1
Minifigures 5
Description
A fortress in disguise
The main build is a mountain whose front is shaped like a gaping dragon's mouth, an unusually themed structure for the Castle line. Hidden inside are chambers and mechanisms that open or move during play, giving the set play value beyond simply being assembled and displayed. At 381 pieces the build sits in the mid-range and can comfortably be finished in an afternoon. Combining a landscape build with a fortress means the model reads as bigger and more detailed than its piece count might suggest.
Colours and parts in detail
Black, dark bluish grey, light bluish grey and reddish brown define the model, giving the fortress its dark, rocky look. Among the 159 unique elements are plenty of dedicated rock and cladding pieces that also work well in other fantasy or mountain builds. The parts list on this page shows exactly which colours and shapes are used, handy for anyone hunting specific pieces. That relatively high number of unique elements also makes the set appealing to fans of detail-heavy builds who like plenty of varied shapes in one model.
Five minifigures for conflict
The set includes five minifigures split between the fortress's defenders and attacking enemies, allowing direct battle scenes between the two sides. Extra weapons and armour pieces round out the gear and support different play scenarios without needing additional sets. For fans of classic knights-and-monsters themes, this is one of the more thematically dense entries in the Castle line. With five figures you can also stage larger scenes, such as several attackers against a lone defender or the reverse.
Who this set suits
Dragon Mountain suits children and teens who enjoy fantasy and knight themes and value active play scenes over static display models. The mid-range part count makes the build engaging enough for more experienced beginners. The rock pieces are also useful for your own mountain or cave landscapes once the set itself is finished. It also works well alongside an existing castle collection, since the fortress can double as a base for the opposing side.
FAQ
- How many pieces does Dragon Mountain have?
- Set 70403 has 381 pieces and 159 unique elements, listed in the parts list on this page.
- How many minifigures are included?
- The set includes five minifigures, split between defenders and attackers.
- What makes the fortress unusual?
- Its front is shaped like a dragon's head and hides moving mechanisms and chambers for play scenes.



