RiverNSDirection, RiverWEDirection

RiverNSDirection= and RiverWEDirection= the direction that the water flows along the river. Valid values are 0=north, 1=east, 2=south, 3=west. These settings MUST be used in conjunction with isNOfRiver or isWOfRiver. EG:

isNOfRiver
RiverWEDirection=3
# This will create a river on the bottom edge of the tile flowing from right to left.

isWOfRiver
RiverNSDirection=0
# This will create a river on the right edge of the tile flowing from bottom to top.

Civ4 World Builder Save Reference BeginGame: Tutorial • Era • Speed • Calendar • Option • MPOption • ForceControl • Victory • GameTurn • MaxTurns • MaxCityElimination • TargetScore • StartYear • Description • ModPath BeginTeam: Tech • ContactWithTeam • AtWar • PermanentWarPeace • OpenBordersWithTeam • DefensivePactWithTeam • ProjectType • RevealMap BeginPlayer: CivDesc • CivShortDesc • LeaderName • CivAdjective • FlagDecal • WhiteFlag • LeaderType • CivType • Team • Handicap • Color • ArtStyle • PlayableCiv • MinorNationStatus • StartingGold • StartingX • StartingY • StateReligion • StartingEra • CivicOption, Civic • AttitudePlayer, AttitudeExtra • CityList BeginMap: grid width • grid height • top latitude • bottom latitude • wrap X • wrap Y • world size • climate • sealevel • num plots written BeginPlot: x, y • Landmark • ScriptData • isNOfRiver, isWOfRiver • RiverNSDirection, RiverWEDirection • StartingPlot • BonusType • ImprovementType • FeatureType, FeatureVariety • RouteType • TerrainType • BeginUnit • BeginCity • TeamReveal