An Adventurous 9-Day Itinerary

1. Day 1: Hiking in Griffith Park
   20 minutes (8.5 miles) from Downtown LA

   Take in the stunning views of Los Angeles from Griffith Observatory and explore the many hiking trails in the park.

2. Day 2: Surfing in Huntington Beach
   45 minutes (36 miles) from Griffith Park

   Experience the waves and surf culture of Southern California at "Surf City USA".

3. Day 3: Scuba Diving in La Jolla Cove
   1 hour 45 minutes (117 miles) from Huntington Beach

   Swim through underwater caves and observe marine life in this picturesque cove.

4. Day 4: Hot Air Balloon Ride in Temecula Valley
   1 hour 10 minutes (54.3 miles) from La Jolla Cove

   Enjoy a stunning bird's eye view of the vineyards and rolling hills of Temecula Valley.

5. Day 5: Bungee Jumping at Bridge to Nowhere
   1 hour 30 minutes (59.1 miles) from Temecula Valley

   Take the plunge off a historic bridge and into the San Gabriel Mountains below.

6. Day 6: Zip Lining in Big Bear Lake
   1 hour 50 minutes (77.1 miles) from Bridge to Nowhere

   Soar over the trees and snowcapped mountains of the San Bernardino National Forest.

7. Day 7: Mountain Biking in Lake Arrowhead
   30 minutes (15.6 miles) from Big Bear Lake

   Ride through the picturesque pine forests of the San Bernardino Mountains.

8. Day 8: Skydiving in Perris
   1 hour 20 minutes (57.8 miles) from Lake Arrowhead

   Experience the ultimate rush as you jump out of a plane at 12,500 feet.

9. Day 9: Rock Climbing in Joshua Tree National Park
   1 hour 40 minutes (72.9 miles) from Perris

   Test your skills on the unique rock formations of this otherworldly desert landscape.

Time and Costs Estimates:

• Griffith Observatory (1-3 hours, free)
• Huntington Beach Surfing Lessons (2 hours, $80)
• La Jolla Cove Scuba Diving (2 hours, $80)
• Temecula Valley Hot Air Balloon Ride (3-4 hours, $200)
• Bridge to Nowhere Bungee Jumping (2 hours, $120)
• Big Bear Lake Zip Lining (2-3 hours, $100)
• Lake Arrowhead Mountain Biking (2-3 hours, $50)
• Perris Skydiving (4-5 hours, $250)
• Joshua Tree National Park Rock Climbing (4-5 hours, $100)
• Total Estimated Costs: $880

Useful Tips:

If you have extra time, consider adding a day trip to Mammoth Lakes for skiing or snowboarding, or go kayaking in La Jolla Cove. If you have less time, skip one or two activities from the itinerary or do a half-day instead of a full-day excursion. Make sure to book activities in advance.