Harlin (pop. 550) is a small village on the Brisbane Valley Rail Trail about halfway between Toogoolawah and Moore. There is a service station, the Harlin Roadhouse (with adjacent travelers café) and the Harlin Hotel Motel (motel and pub). The pub is under new ownership and serves good pub food 7 days a week..

Located on the Brisbane Valley Highway, Harlin provides a useful access point for rail trail visitors wishing to do just 15 km on the rail trail to Toogoolawah or Moore. There is a car park, free overnight camping and public toilets.

The Heritage listed Yimbun tunnel is nearby.