The Cockeysville resident, who has authored more than 30 books on fishing, appeared humbled by the honor.
Frederick and spent 18 years writing for The Sun until his retirement in 1990.
One year later, the U.S. Postal Service issued a commemorative first-class stamp honoring an innovative fly called "Lefty's Deceiver" that Kreh designed for saltwater fishing.
A member of three fishing halls of fame, he has completed a television series on conservation for ESPN and is now writing another book.
Attaching Kreh's name to a fishing trail in Baltimore County, near his home, was a no-brainer, said Joe Evans, a Maryland DNR fisheries spokesman.
"In January, Candy Thomson [former Sun outdoors columnist] wrote a column and rallied the troops to do something to recognize Lefty's [tenets] on conservation responsibility, and the joys of fishing," Evans said.
"This winding, tree-shaded trail — previously called the Gunpowder South Trail — follows the Big Gunpowder Falls River, a blue-ribbon trout stream that serves as a rite of passage for anyone getting into fly fishing in Maryland."
Signs denoting "The Lefty Kreh Fishing Trail" will be posted in coming months, Evans said.