Quite a lot of buses stop at this town on the way to Lom Sak. Here are some services you can find from Mochit Terminal (Northern Bus Terminal in Bangkok):
*www.transport.co.th 0 2936 2852-66
*Phetprasert Tour[http://www.phetprasert.com] 0 56 720720
*Thin Siam Tour 0 2936 0500
Buses are very frequent, like 2 or 3 within an hour. First Class service from Phet Tour cost 263B and takes 4 hour+.