Visit a Kampot pepper farm and taste fresh green, red, and black peppercorns

Eat fresh crab at Kep Crab Market (tuk-tuk day trip ~$10-12)

Sunset river cruise from Arcadia or other hostels ($3-5)

Go tubing or kayaking on the river (often organized by hostels for $5-8)

Explore Kampot's crumbling French colonial architecture on foot