sentences:  Further southwest, the watershed of the Trinity River, the second largest subwatershed of the Klamath, has or 19% of the watershed.The watershed of the South Fork Trinity River is - 33% of the Trinity watershed or 6% of the Klamath watershed.The primary tributaries of the Klamath together account for 77% of the total Klamath watershed - the remaining land area is drained by smaller tributaries such as Jenny Creek, Fall Creek and Blue Creek.