Where is the oil filter on 97 Chevy Blazer?

The oil filter on a 1997 Chevy Blazer is located on the passenger side (right side) of the engine, towards the front. It's typically fairly easy to access, but you might need to consult a repair manual or online diagrams specific to your engine (4.3L V6 or 5.7L V8 are common in this year) for the exact location and to see what other components might be in the way. The filter itself is usually a canister-type filter.