Nature Lover's 7-Day Itinerary for Thailand in September 2023

1. Day 1: Khao Yai National Park
   2 hours (81.5 miles) from Bangkok

   Explore the lush greenery and wildlife of Thailand's oldest national park in the morning. Take a dip in the Heo Suwat Waterfall after a brisk jungle hike in the afternoon. Go on a night safari to spot nocturnal creatures in the evening.

2. Day 2: Erawan National Park
   4 hours (155 miles) from Khao Yai National Park

   Visit seven levels of emerald pools and cascading waterfalls in Erawan National Park in the morning. Experience the thrill of cliff jumping at the top of the falls in the afternoon. Take a relaxing stroll in the nearby Sai Yok Noi waterfall in the evening.

3. Day 3: Chiang Mai
   4.5 hours (150 miles) from Erawan National Park

   Take an early morning flight to Chiang Mai to explore the lush Doi Inthanon National Park. Visit the highest peak in Thailand and the stunning Wachirathan Waterfall in the morning. Take a dip in the refreshing Mae Klang Waterfall and enjoy a relaxing picnic in the afternoon. Take a stroll through the Bua Thong Sticky Waterfall in the evening.

4. Day 4: Pai
   3 hours (85 miles) from Chiang Mai

   Drive through the scenic countryside to reach Pai in the morning. Explore the picturesque Pai Canyon and its stunning views in the morning. Take a dip in the refreshing waters of the Sai Ngam Hot Spring in the afternoon. Enjoy a relaxing stroll through the Pai Walking Street and grab a drink at one of the local bars in the evening.

5. Day 5: Chiang Rai
   4.5 hours (128 miles) from Pai

   Start the day by visiting the stunning White Temple or Wat Rong Khun in Chiang Rai in the morning. Take a relaxing boat ride through the peaceful Khun Korn Forest Park in the afternoon. Visit the fascinating Black House or Baan Dam Museum in the evening.

6. Day 6: Koh Samui
   2-hour flight from Chiang Rai

   Take a morning flight to Koh Samui to explore the stunning Ang Thong National Marine Park. Go kayaking through the crystal-clear waters and discover hidden lagoons in the morning. Enjoy a relaxing day at the beach and take a dip in the sea in the afternoon. Go on a sunset cruise to watch the sky turn into a sea of orange and pink in the evening.

7. Day 7: Khao Sok National Park
   3-hour drive (85 miles) from Koh Samui

   Explore the stunning scenery of Khao Sok National Park in the morning. Go on a jungle trek to discover hidden waterfalls and wildlife. Take a relaxing bamboo raft ride down the river in the afternoon. Go on a night safari to spot nocturnal creatures in the evening.

Recommendations

If you have extra time, consider visiting the beautiful Railay Beach in Krabi. You can also take a side trip to the stunning Phi Phi Islands from Koh Samui. To maximize your fun, consider hiring a guide for some of the excursions. They can provide you with insider information and ensure your safety. Additionally, make sure to bring comfortable shoes for hiking and exploring the parks. Don't forget to bring sunscreen, mosquito repellent, and plenty of water to stay hydrated.