To get to Dartmouth, you can take the A379 from Torquay or the A381 from Totnes. Alternatively, you can take the train to Totnes or Paignton and then take a bus or taxi to Dartmouth.
If you're coming from Plymouth, take the A38 and then follow signs for Dartmouth. From Exeter, take the A380 and then follow signs for Torquay and Dartmouth.
If you're already in Devon, some local landmarks and cities that are close to Dartmouth include Salcombe, Kingsbridge, and Plymouth. From Salcombe, take the A381 towards Kingsbridge and then follow signs for Dartmouth. From Kingsbridge, take the A379 towards Torquay and then follow signs for Dartmouth. From Plymouth, take the A38 towards Exeter and then follow signs for Dartmouth.