Grand Junction or Rifle Regional Airports are convenient airport locations for this destination if arriving by air. Grand Junctional Regional Airport is less than a 1.5hr drive away.
A personal or rental car is necessary as there is no shuttle or rideshare opportunity for Rifle Mountain Park. All roads to the climbing are well maintained.
There are hotels in Rifle (only a 15 minute drive) or Grand Junction. If you plan to stay and climb for multiple days, there are first-come-first-serve campgrounds in the park, though they can be competitive during peak season. Rifle Gap State Park is nearby and has reservable camping options.