Sintra connects to Lisbon in 40 minutes via the CP Linha de Sintra suburban train and to Cascais via the Scotturb 403 coastal bus. Inside the village the Scotturb 434 hop-on circuit links the station, Vila Velha, Pena and Castelo dos Mouros. Portuguese rules let small dogs in carriers ride free and accept large muzzled leashed dogs at off-peak hours.
Estefânia · Estação de Sintra, Avenida Doutor Miguel Bombarda, 2710 Sintra
The CP Linha de Sintra connects Sintra to Lisboa-Rossio every 20 minutes for around EUR 2.30 each way. Small dogs in carriers travel free; larger leashed dogs need a muzzle and a half-fare ticket and are admitted outside the 07:30-09:30 and 18:00-20:00 peak windows.
Vila Velha / Serra · Estação de Sintra, 2710 Sintra
The Scotturb 434 hop-on bus loops between the train station, the Vila Velha (Palácio Nacional), the Castelo dos Mouros and the Palácio da Pena every 20 minutes. Small dogs in carriers ride free; large dogs are accepted at the driver's discretion when the bus is not full.
Sintra-Cascais coast · Estação de Sintra, 2710 Sintra
The Scotturb 403 coastal bus links Sintra to Cascais in 70 minutes via Cabo da Roca, the westernmost point of continental Europe, and the wild Praia da Adraga and Praia Grande dog-friendly beaches. Small dogs in carriers free; large leashed dogs accepted at driver discretion.