List of numbered roads in Leeds and Grenville United Counties

This is a list of numbered roads in the United Counties of Leeds and Grenville, Ontario.

County Road #	Local Name(s)	Southern/Western Terminus	Northern/Eastern Terminus	Settlements served	Additional Notes
1	County Road 1 Kitley/South Elmsley Townline Road Anglican Church Road Rideau Ferry Road	County Road 29	the Rideau Canal	Toledo, Lombardy, Rideau Ferry
2	County Road 2	Deer Ridge Drive	Marine Station Road	Gananoque, Legge, Ebenezer, Escott, Sherwood Springs, Brockville, Maitland, Blue Church, Prescott, Wexford, Johnstown, Cardinal	formerly  Highway 2 running from Windsor to the Ontario-Quebec border; a.k.a. King Street in Gananoque, King Street in Brockville, and King Street in Prescott; not to be confused with  Highway 2 between Gananoque's eastern town limits and  Highway 401
3	Reynolds Road Prince Street Outlet Road Bryan Road	Thousand Islands Parkway	County Road 33	Selton, Lansdowne, Dulcemaine, Outlet, Long Point
4	Warburton Road Blue Mountain Road Rockfield Road Sly Road Quabbin Road	County Road 3	County Road 2	Warburton, Rockfield, Quabbin, Mallorytown
5	Mallorytown Road County Road 5	Thousand Islands Parkway	Highway 15	Mallorytown Landing, Caintown, McIntosh Mills, Athens, Plum Hollow, Newboyne	a.k.a. Mill Street, Main Street and Elgin Street in Athens
6	North Augusta Road	County Road 26	County Road 15	Rows Corners, Manhard, North Augusta
7	Greenbush Road County Road 7	County Road 29	County Road 16	Greenbush, Rocksprings, Crystal
8	Main Street Toledo Road Line 6 Road	Highway 15	County Road 29	Elgin, Phillipsville, Bellamys Mills, Toledo
9	Chaffeys Lock Road	Rideau Canal	Highway 15	Chaffeys Lock
10	Perth Road	Frontenac County limits	Lanark County limits	Blairs Settlement, Westport
11	Jones Falls Road	Simpson Road	Highway 15	Jones Falls
12	Salem Road	Wolfe Lake Road	County Road 10	Salem, Westport
13	South Lake Road	Boundary Road	County Road 32	Springfield
14	Narrows Lock road	County Road 42	Rideau Canal	Crosby, Narrows Lock
15	Church Street County Road 15 Reid Street	County Road 2	Rideau Canal	Maitland, Stones Corners, North Augusta, Wolford Centre, Hemlock Corners, Merrickville
16	County Road 16	County Road 29	County Road 15	Jasper, Eastons Corners	not to be confused with  Highway 16
17	Jasper Road	County Road 16	Lanark County limits	Jasper
18	County Road 18 Clothier Street	Prescott town limits	Sanders Street, Kemptville	Sparkle City, Roebuck, McRoberts Corner, Bishops Mills, Hutchins Corners, Kemptville
19	Rideau River Road	County Road 24	Ottawa city (old Carleton County) limits	Kemptville, Besley Woods
20	Oxford Station Road Town Line Road Slater Road Dillabaugh Road	County Road 18	Boundary Road	East Oxford, Oxford Station, Millars Corners, Heckston
21	County Road 21 Shanly Road	County Road 15	Byker Road	Throoptown, Roebuck, Spencerville, Shanly
22	County Road 22 Gower Drive	County Road 2	County Road 19	Cardinal, Brouseville, Pittston, Shanly, Heckston, Pelton Corner
23	River Road Burritts Rapids Road	County Road 43	County Road 43	Burritts Rapids
24	Vanburen Street	Prescott Street, Kemptville	County Road 43	Kemptville
25	Guy Road	County Road 18	County Road 43	Swan Crossing
26	3rd Concession Road	County Road 6	County Road 18	Rows Corners, Bethel, Stones Corners, Maynard
27	Yonge Mills Road Main Street Centennial Road	County Road 2	County Road 29	Yonge Mills, Lyn
28	County Road 28	County Road 29	County Road 6	Glen Buell, New Dublin, Bellamys
29	County Road 29	County Road 27	Lanark County limits	Tincap, Glen Bluell, Forthton, Addison, Lehighs Corners, Frankville, Toledo, Newbliss, Shanes	formerly  Highway 29 running from Brockville to Arnprior
30	Addison Road	County Road 42	County Road 29	Anoma Lea, Addison
31	Blue Church Road	County Road 2	County Road 26	Blue Church
32	Stone Street County Road 32	County Road 2	Highway 15;	Gananoque, Cheeseborough, Taylor, Berrytown	formerly  Highway 32
33	Lyndhurst Road	Highway 15	County Road 42	Sweets Corners, Lyndhurst
34	Hiscocks Road Eden Grove Road	County Road 2	County Road 3	Emery, Eden Grove, Lansdowne
35	Station Road	County Road 32	County Road 34	Gananoque Junction
36	Mountain Road	County Road 12	Lanark County limits	Westport
37	Howe Island Ferry Road	the St. Lawrence River	County Road 2	the Howe Island ferry wharf
38	Briton-Houghton Bay Road	Highway 15	Willis Wharf	Mill Pond, Big Rideau Lake
39	County Park Road	Charleston Lake	County Road 40	Charleston
40	King Street Charleston Road Elgin Street South	Cedar Park Lane	County Road 5	Charleston, Glen Morris, Athens
41	County Road 41	County Road 15	County Road 16	Hemlock Corners
42	County Road 42	County Road 12	County Road 29	Westport, Newboro, Crosby, Forfar, Philipsville, Delta, Soperton, Athens, Glen Elbe, Forthton	formerly  Highway 42; a.k.a. Main Street in Athens, King Street in Delta and Drummond Street in Newboro
43	County Road 43	County Road 15	Boundary Road	Merrickville, Actons Corners, Kemptville	formerly  Highway 43 running from Perth east to Alexandria
44	County Road 44	Highway 16	the Rideau Canal	Crystal Rock, Glen Smail, Spencerville, Groveton, Van Allens, Kemptville	Former alignment of  Highway 16 prior to the construction of Highway 16 New/ Highway 416 in the 1990s; a.k.a. Prescott Street and Sanders Street in Kemptville
45	Brockchem Road	County Road 2	CN rail yard, Maitland	Du Pont Canada nylon factory
46	Lyn Road Main Street Perth Street County Road 46	County Road 2	County Road 29	Lyn, Seeley
47	Main Street	Highway 15	Highway 15	Seeley's Bay