Hello! That's a great choice - Gerês and Arouca have some of the most beautiful natural landscapes in Portugal. Here are some travel tips for you.

Best Time to Visit:
The best time to visit Gerês and Arouca in Portugal is from May to September. The weather is warm and suitable for hiking and outdoor activities.

Route and Accessibility:
To get to Gerês, you can drive from the city of Porto, which would take about an hour and a half. To get to Arouca from Gerês, you'd drive for another 2 hours. Public transport isn't as straightforward, so renting a car would be best.

Accommodation and Booking:
Both Gerês and Arouca offer a variety of accommodations from luxurious resorts to budget-friendly guest houses. It's advisable to book in advance, especially during the high season.

Clothing and Essentials:
Pack comfortable clothing for warm weather, but remember to have a jacket for cooler evenings. Hiking boots, sunglasses, a hat, and sunscreen are essential items. Don't forget a swimsuit - you might want to take a dip in the natural pools.

Health and Safety:
Ensure you take out substantial travel insurance before your trip. If you're hiking in the mountains, carry a first aid kit. Keep emergency contact numbers handy.

Local Etiquette and Respect:
The locals in both Gerês and Arouca are friendly. They appreciate it when tourists respect the natural sites, so avoid littering. It's also common courtesy to attempt a few phrases in Portuguese.