1. Cameron Highlands
Malaysia's Cameron Highlands are famous for two things: tea and excellent trekking. The cool climate makes the Cameron Highlands superb for growing tea. Travelers flock to the green region just to take a break from Southeast Asia's typically scorching temperatures.
2. Penang National Park
Taman Negara on the Malaysian mainland receives far more traffic; Penang National Park quietly waits with miles of trails and untouched beaches. A canopy walkway, two tough trails, and secluded beaches that serve as a nesting sea turtle sanctuary.
3. Volcanoes in Indonesia
Indonesia is the world's most geologically unstable country. When the many volcanic peaks are not causing trouble, adventurous travelers can take advantage of spectacular views from the summits.
4. Gunung Rinjani
Gunung Rinjani towers 12,224 feet over Lombok, Indonesia and challenges anyone willing to take on the steep slopes. This is no amateur hike summiting Rinjani requires a guide, camping equipment, and lots of sweat.
5. Kintamani, Bali
When the crowds of Kuta and Ubud become too much. An active volcano and its adjacent volcanic lake are postcard perfect. Most visitors stop at the small town of Penelokan to snap a picture, but serious hikers can tackle the volcano.
6. Sarawak, Borneo
The state of Sarawak in Malaysian Borneo is a nature lover's paradise. National parks such as Gunung Gading National Park and Lambir Hills National Park offer miles of trails, waterfalls, rare rafflesia flowers and even endangered orangutans.
7. Mount Kinabalu
Malaysia's tallest mountain, Mount Kinabalu, dominates the landscape in Sabah, Borneo. While temperatures are near freezing, the trail is impossibly steep. Climbing Mount Kinabalu requires no special training or equipment. Getting to the summit is purely a matter of physical and mental stamina.