|Location Map ( geo)|
|To:||Easter Gerchew (NS581879)|
|Distance:||2.8 miles (4.5 km)|
|Meets:||A875, C24, B818|
|Route outline (key)|
The C23 starts on the A875 at the northern end of Balfron and follows Spokers Loan then Roman Road through the small town. Continuing east, it follows the Endrick Water upstream, before turning to cross the river and meet the B818 near Easter Gerchew.