If you have 6 hours or a half day to spend in Dunkeld, there are plenty of things to do:
Explore the historic Dunkeld Cathedral, founded in the 13th century. It features stunning architecture and beautiful grounds to stroll around. Allow around 1-2 hours to see everything.
Take a walk through the beautiful forested area of The Hermitage, where you can see the stunning Black Linn Falls. Allow 2-3 hours for the walk and to take in the scenery.
Listen to live music at the Taybank Music Bar, a popular spot for locals and visitors alike. Enjoy a pint while you take in the tunes. Allow around 1-2 hours for a drink and some music.
Visit the Dunkeld Fish Ladder, where you can see fish swim up the ladder to spawn. It's a unique and beautiful sight to see. Allow about 30 minutes to an hour to see everything.
Overall, there are plenty of things to do in Dunkeld to fill a half day. Just be sure to allocate your time wisely according to your interests!