Carousel Buses operates a bus from Watford to Amersham hourly. Tickets cost $7 and the journey takes 48 min.
How to get from Watford to Amersham
From Moor Park Underground Station Tube to Amersham Underground Station. 16 min £3. From Watford, High Street line 336 bus to Old Amersham, Gore Hill (London Road Roundabout). 48 min £4. From Watford taxi to Amersham. 20 min £57. From Watford drive to Amersham. 20 min £2.