There are two treks in whole Galyaat names are Mushkpoori and MeeranJaani both are situated near Nathyagali, there is no any trek near PC.
However, for your training purpose I would suggest a beautiful ground surrounding by forest with beautiful view and you can bring your vehicles to closest point, you need to trek for 10 minutes only.
If you are going on Nathyagali road, after 4 kilometers there will be "Ratigali", turn right and drive for 10 minutes and park your vehicles and climb for 10 minutes up to ground. Locals are using this ground for cricket tournaments as well. There are some old heritages as well.
Please do call 0300 8565009 if require further assistance.
Regards
HASSAN