- At the end of the Edinburgh City Bypass South (A720) where it joins the A1 follow signs for Berwick-on-Tweed (A1 South). Alternatively take the A1 out of the City Centre
- Follow the A1 and take the exit for the A198 to North Berwick (also signposted for the Scottish Seabird Centre)
- At the roundabout, take the second exit for the A198, signposted North Berwick
- Follow this road to the next roundabout and take the last exit, for the A198, signposted North Berwick
- Follow the A198 through Longniddry to a large roundabout. Take the first exit signposted Scenic Route (alternatively, the second exit takes you on the inland route and rejoins the A198 a couple of miles short of N. Berwick), until you come to the coast at a T-junction, at which you turn right
- Follow the A198 through Aberlady and Gullane until you reach the traffic lights in North Berwick
- Turn right onto S. Hamilton Road. Glentruim is first on your left
Coming from the East (i.e traveling North on the A1): -
- After bypassing Dunbar take the exit for the A198, North Berwick
- Follow the A198 past Tynningham, WhiteKirk, Tantallon Castle and a caravan site
- Take the second exit for N.B. town centre once you reach a small roundabout
- Take the third left onto St. Baldred's Road, signposted Edinburgh (still the A198)
- Pass the railway station and turn left onto Dirleton Avenue
- Glentruim is last on the left before the the traffic lights - take a left onto S. Hamilton Road to reach the driveway