A beautiful national park with amazing views. I stayed in a hostel that was entirely bamboo huts on the river, possibly the most picturesque accomodation of the trip (Green Bamboo Lodge). The food was also amazing, all cooked in house (I'd recommend the Pork Clay Pot - this might be a bad translation but it's literally pork in a clay pot), and of course there was cheap beer.
You can get a boat across the river to the National Park, where you can take a hike through the jungle on your own or with a guide. I got a bit lost, but as long as you stay on the path you can't really go badly wrong.
There's also a monkey sanctuary nearby, which we were guided round by some local teens. You can see monkeys around the whole park but they can be hard to spot, so I'd recommend this sanctuary as they do some conservation work.
@rkmkiosk It was pretty damn warm. It's supposedly cooler the further north you go but I experienced very similar temperatures throughout the entire trip with just a couple of outliers. It was mid to high 30s (celsius) pretty consistently. It's very very high humidity as well, so google was telling me it 'felt like' closer to 50 some days in Hanoi. That was particularly bad though, Id adjusted to 40ish after a couple of weeks.
The only exceptions were Dalat (a mountain city, reached as low as 18 at night, and Ha Giang near the Chinese border would rain a lot so it was closer to 20s than 30s. Still overall very warm though, I wore the same clothes just with a waterproof on, and the rain wasnt too bad because I was so hot!
How hot is it in june? Btw amazing itinerary