The Greenblood, formed by the confluence of the Vaith and the Scourge near Godsgrace, flows east to the Summer Sea. The Planky Town lies at the Greenblood's mouth on the sea. Lemonwood is located on the coast near the southern shore of the river.
The orphans of the Greenblood live on painted rafts along the river. Farms and orchards are located along the Greenblood for hundreds of leagues. Landscape near the river can include devilgrass, olive groves, and lemon orchards watered by old canals. Whiskerfish are found in the river.
Most of the First Men who settled in Dorne after crossing the Arm of Dorne settled along the banks of the Greenblood, digging ditches and canals. A dozen houses of the Greenblood—including Houses Briar, Brook, Brownhill, Holt, Lake, Shell, and Wade—chose a High King of Dorne from amongst their number. Three of the houses were destroyed after a generation of warfare following a disputed election, however. The remaining houses were conquered during the coming of the Andals, with the Shells and Wades defeated by House Martell.
Rhaenys Targaryen flew Meraxes over the Greenblood and the Planky Town when she traveled to Sunspear to treat with Meria Martell during Aegon's Conquest. Rhaenys burned the Planky Town at the start of the First Dornish War in 4 AC, choking the mouth of the river. She then took Lemonwood, Spottswood, and Stinkwater. In reaction to the Defenestration of Sunspear, Lord Harlen Tyrell planned to march from the Hellholt to Vaith and then follow the rivers to Sunspear. His army disappeared in the deep sands of Dorne, however.
A Feast for Crows
After gathering her conspirators to Shandystone, Princess Arianne Martell plans to meet orphans of the Greenblood along the river. Once they reach the Greenblood, however, Arianne realizes her plot to crown Myrcella Baratheon has been betrayed. Ser Arys Oakheart is decapitated by Areo Hotah, with his head splashing into the river.
A Dance with Dragons
Arianne Martell had crossed the Mander once, when she had gone with three of the Sand Snakes to visit Tyene's mother. Compared to that mighty waterway, the Greenblood was scarce worthy of the name of river, yet it remained the life of Dorne. It took its name from the murky green of its sluggish waters; but as they approached, the sunlight seemed to turn those waters gold. She had seldom seen a sweeter sight.—thoughts of Arianne Martell
- A Feast for Crows, Chapter 21, The Queenmaker.
- The Lands of Ice and Fire, Westeros.
- The World of Ice & Fire, Dorne.
- A Dance with Dragons, Chapter 38, The Watcher.
- The World of Ice & Fire, Dorne: Kingdoms of the First Men.
- The World of Ice & Fire, Dorne: The Andals Arrive.
- The World of Ice & Fire, Dorne: The Coming of the Rhoynar.
- Fire & Blood, Aegon's Conquest.
- Fire & Blood, Reign of the Dragon - The Wars of King Aegon I.
- A Dance with Dragons, Chapter 17, Jon IV.
- The World of Ice & Fire, The Targaryen Kings: Daeron I.
- The Sworn Sword.
- A Feast for Crows, Chapter 13, The Soiled Knight.
- A Feast for Crows, Chapter 2, The Captain Of Guards.