Yes, the Outer Harbor line connects to the area.

How long is the drive?

The drive takes approximately 1 hour and 45 minutes.

No, there are no toll roads on this route.

What is the best route?

The B37 is the most direct route.

Bus services are available; check the Adelaide Metro website.

Inman Valley

Semaphore

Driving

Inman Valley to Semaphore

Updated: 30 May 2026

The drive from Inman Valley to Semaphore is a 100-kilometer journey through the Fleurieu Peninsula and into Adelaide. You will travel via the B37 (Inman Valley Road and Main South Road). The trip takes approximately 1 hour and 45 minutes. This route takes you through the scenic hills and into the heart of Adelaide's historic seaside suburb.

Total Distance: 100 km driving distance; 85 km straight-line air distance.

Fastest Way

Driving via the B37 is the fastest and most direct route.

Cheapest Way

Driving your own vehicle is the most cost-effective way to reach Semaphore.

Compare Inman Valley to Semaphore Routes

Driving

Direct

Duration

1 hour 45 mins

Avg Price

25-30 AUD in fuel

Operator

Personal Vehicle

Route

B37 via Victor Harbor and Main South Road.

The road is winding; drive carefully.

Travel Tips

Traffic
Traffic can be heavy during peak hours; plan your trip accordingly.
Road Safety
The B37 is a winding road; stay alert and follow speed limits.
Pack Snacks
Bring plenty of snacks and water for the drive.
Parking
Parking in Semaphore can be busy during summer; arrive early.
Sun Protection
The sun is strong; wear SPF 50+ sunscreen.

Safety Tips

Fatigue
Even on short drives, stay alert and focused.
Wildlife
Be cautious of wildlife crossing the road, especially at dawn and dusk.
Mobile Coverage
Mobile reception is excellent in this area.
Emergency Kit
Carry a basic first aid kit in your car.