List of numbered roads in Lanark County

This is a list of numbered county roads in Lanark County, Ontario.

County Road #	Local Name(s)	Northern/Eastern Terminus	Southern/Western Terminus	Settlements served	Additional Notes
1	Rideau Ferry Road	Highway 7	Rideau Canal	Perth, Rideau Ferry	continues as Leeds & Grenville County Road 1 to Lombardy
2	Heritage Drive	City of Ottawa limits	Grenville County limits		continues as City of Ottawa Road 2
4	Roger Stevens Drive	Montague Boundary Road	Highway 15	Smiths Falls
6	Althorpe Road Christie Lake Road Sunset Boulevard	County Road 1	County Road 36	Althorpe, DeWitts Corners, Glen Tay, Perth
7	Fallbrook Road	County Road 511	County Road 12	Playfairville, Fallbrook, Balderson
7B	Townline Road	County Road 29	Highway 7	Carleton Place
8	Herron Mills Road Watsons Corners Road	County Road 16	County Road 511	Herron Mills, Watsons Corners, McDonald's Corners
9	Tatlock Road	Highway 7	County Road 511	Union Hall, Clayton, Halls Mills, Tatlock
10	Scotch Line Gore Street North Street Drummond Concession 2 Richmond Road	Leeds County limits	Ashton Station Road	Franktown, Perth, Scotch Line	shares Gore Street, Perth, with County Road 43; part of a relay of County Roads 10 linking Richmond to Kingston
11	Wilson Street River Road	County Road 17	County Road 29	Appleton
12	Pine Grove Road McDonald's Corners Road	County Road 15	County Road 36	Lanark, Playfairville, McDonald's Corners, Elphin
14	Narrows Lock Road	County Road 10	Rideau Canal	Black lake, Narrows Lock	Continues as Leeds & Grenville County Road 14 to Crosby
15	Fergusons Falls Road	Highway 7	County Road 511	Fergusons Falls
16	Lavant Road Wolf Grove Road	County Road 29	Frontenac County limits	Lavant, Poland, Hopetown, Middleville, Union Hall, Almonte
16A	Perth Street Bridge Street Queen Street	County Road 17	County Road 29	Almonte
17	Blakeney Road Panmure Road Mountain View Road Martin Street North Appleton Sideroad Cemetery Sideroad Derry Sideroad	County Road 20	County Road 10	Pakenham, Blakeney, Almonte
18	Port Elmsley Road	County Road 1	County Road 43	Port Elmsley
19	Bennett Lake Road	County Road 7	County Road 36	Fallbrook, Pratt Corners
20	Waba Road Kinburn Sideroad	Timmins Road	Robertson Line	Pakenham	continues to Dunrobin Road as City of Ottawa Road 20
21	Lally Road Elm Grove Road	County Road 1	County Road 14	Murphy’s Point Provincial Park
22	Shaw Road	County Road 29	County Road 20	Pakenham Township	minor connecting route
23	Rosedale Road	County Road 4	County Road 43	Rosedale
24	Campbell Sideroad Bellamy Road Peneshula Road	County Road 20	Snye Road	Uneeda, Pickerel Bay
29	County Road 29 McNeely Avenue	Walter Bradley Road	Highway 7	Pakenham, Almonte, Carleton Place
36	Snow Road Maberly Elphin Road Bolingbroke Road	Frontenac County limits	Leeds County limits	Elphin, Maberly, Bolingbroke	continues as Leeds & Grenville County Road 36 to Westport
43	County Road 43 Elmsley Street Cornelia Street Craig Street Gore Street North Street Wilson Street	Grenville County limits	Highway 7	Smiths Falls, Port Elmsley, Perth	shares Gore Street, Perth, with County Road 10; continues as Leeds & Grenville County Road 43 to Merrickville
49	March Road	Golden Line Road	County Road 29	Almonte	March Road continues as City of Ottawa Road 49 to Highway 417 at Exit 138
511	Lanark Road George Street	Renfrew County limits	Highway 7	Perth, Balderson, Lanark, Hopetown	continues as Renfrew County Road 511 to Calabogie. (Note: 511 was a former secondary highway before it was downloaded to Lanark and Renfrew counties)