Here’s a list of 20 fantastic day trip destinations within a 2-hour drive from Cascais, Portugal, where you can enjoy great hikes, beautiful beaches, and delicious food: 1. Sintra 2. Serra de Sintra 3. Ericeira 4. Mafra 5. Arrábida Natural Park 6. Sesimbra 7. Azenhas do Mar 8. Cabo da…