Terrain Effects Chart
 
  MP Cost Combat
Modifiers
Other
Functions
Notes
Terrain Foot Motorized
Clear 1 1 - - 1: During snow turns, treat as "Woods" hex.
Woods 1 2 - - 2: Mountain Infantry units pay 1 MP to enter.
Swamp 21 41 -1,6 2 hex10,11 3: MP costs of clear, woods, small city and large city doubled.
Mountain 2(1)2 3 - -11 4: Strategic movement and supply line establishment (tracing) only are able to disregard all-sea/lake hexsides.
Minor City 1 1 - +112 5: Soviet units (excluding tanks and mechanized) during snow turns can treat as "minor river" hexsides, excluding retreats and advance after combat.
Major City 1 1 - +211,12 6: Two hex or greater advance after combat prohibited.
Fortress 2 4 Major City7 -11 7: Resolve as a large city onlyin the case of Soviet defenders.
Railroad OT OT - 1/2 hex13 8: Apply only when all attacking units act accross minor or major river hexsides.
Artic x23 x23 - 2 hex10 9: If the total defense strength of the defending units 1, add +1 to the total.
Minor River +1 +2 DS+28,9 -11 10: When establishing supply lines, counts as 2 hexes.
Major River +2 +4 DSx26,8 -11,14 11: Overruns prohibited.
All Sea/ Lake P P P - 12: When making an attrition check for isolation, adjust the die roll.
Chongar Pn. P4 P4 P - 13: When establishing supply lines, treat as 1/2 hex.
Frozen Surface P5 P5 P5 - 14: Armor, tank and mechanized units take an additional step loss when retreating.
Port OT OT - -15 15: Used for Maritime Transport and Maritime Supply of both sides.
Supply Source OT OT - -16 16: Functions as the basic supply source for each side.
Victory Points OT OT - -17 17: Scenario 4.
Border OT OT - - 18: Functions as the supply source of all HQs for the Soviet, Finnish and Romanian armies.
Capital OT OT - -18,19 19: In the case of Moscow's surrender, Soviet surrender check.
OT - Treat as other terrain in the hex   P - Prohibited