4-Day Itinerary for Pomona, California

• Day 1: Exploring the City
  First, visit the Pomona Downtown Arts Colony, which is a hub for local artists showcasing their work. Then head over to Phillips Mansion, a historic house museum built-in 1875 that features Victorian architecture and beautiful gardens. End the day by visiting Big League Dreams Sports Park, which offers several softball fields and a stadium that replicates iconic baseball stadiums.
• Day 2: Adventure Time
  Start the day with a visit to Raging Waters Los Angeles, the biggest water park in Southern California. Afterward, head to LA County Fairplex, which hosts various events, such as car shows, music festivals, and cultural expos. End the day with a hike at the Claremont Hills Wilderness Trail, which offers beautiful views of the city and nature.
• Day 3: Museum Tour
  Begin the day with a visit to the Wally Parks NHRA Motorsports Museum, which showcases the history of drag racing through a collection of vehicles, artifacts, and memorabilia. Afterward, head to the Museum of History and Art, which houses works by local artists and features a rotating exhibition of historical artifacts. End the day with a visit to Mrs. Nelson's Toy and Book Store, which is a magical place for both children and adults alike.
• Day 4: Relaxation Day
  Start the day by strolling through the Lincoln Park Rose Garden, which is a serene and beautiful place to unwind. Afterward, head to the Chino Hills State Park, which offers plenty of opportunities for hiking, picnicking, and wildlife watching. End the day with a visit to the Rancho Santa Ana Botanic Garden, which is an 86-acre garden featuring thousands of plant species native to California.

Time and Costs Estimates

• Pomona Downtown Arts Colony (1-2 hours, free)
• Phillips Mansion (1-2 hours, $10)
• Big League Dreams Sports Park (2-3 hours, $20)
• Raging Waters Los Angeles (4-6 hours, $50)
• LA County Fairplex (2-4 hours, $15)
• Claremont Hills Wilderness Trail (2-4 hours, free)
• Wally Parks NHRA Motorsports Museum (1-2 hours, $10)
• Museum of History and Art (1-2 hours, free)
• Mrs. Nelson's Toy and Book Store (1-2 hours, free)
• Lincoln Park Rose Garden (1-2 hours, free)
• Chino Hills State Park (2-4 hours, $5)
• Rancho Santa Ana Botanic Garden (2-3 hours, $8)
• Total Estimated Costs: $128

Transportation

Getting around Pomona can be done easily by car or rideshare services, such as Uber or Lyft. On average, a rental car can cost anywhere between $30-50 per day. Parking is generally available in most locations, but it's recommended to arrive early at popular venues. Public transportation is also available, and bus fares cost $1.75 per ride or $7 for a day pass.

Useful Tips

If you have more time, consider visiting nearby attractions such as the Ontario Mills Mall, the American Museum of Ceramic Art, and the Pacific Railroad Society Museum. If you have less time, consider skipping small events and boutique shops in favor of major attractions like Raging Waters Los Angeles and LA County Fairplex.