"Hoopa River" . "7.38924e+09"^^ . . . "137.563"^^ . . "Trinity River"@en . "57.912"^^ . "Hupa River"@en . . . . "265542.0"^^ . "1691.64"^^ . . . "The Trinity River is the longest tributary of the Klamath River, approximately 165 miles (266 km) long, in northwestern California in the United States. It drains an area of the Coast Ranges, including the southern Klamath Mountains, northwest of the Sacramento Valley. Designated a National Wild and Scenic River, along most of its course the Trinity flows swiftly through tight canyons and mountain meadows."@en . . . "6.90931"^^ . "4757.23"^^ . .