Multi-award winning Nursery Retailer | Peace of Mind
Trusted for 19+ Years | 1.5M+ Happy Parents
From everyday strolls to outdoor adventures, the Mountain Buggy Terrain Travel System is designed for active families who want uncompromising performance from birth. Combining the Terrain V4 Pushchair with the lightweight Mountain Buggy Nest R129 i-Size Car Seat and rotating ISOFIX base, this complete travel system delivers exceptional comfort, safety and flexibility wherever life takes you.
As the powerhouse of Mountain Buggy's 3-wheel range, the Terrain V4 adapts effortlessly to every environment. Interchangeable rear wheels allow you to switch between 12" urban tyres for city life and 16" active tyres for off-road adventures in seconds. Advanced suspension, adjustable tracking and a hand-operated active brake provide outstanding control and stability, while the supportive sling seat offers lie-flat comfort for newborns and an upright position as your little one grows.
Included in the bundle, the Nest R129 i-Size Car Seat offers trusted protection from 40-87cm (approximately birth to 20+ months). Its included 180° rotating ISOFIX base makes lifting your baby in and out of the car wonderfully easy, while intuitive visual indicators ensure secure installation every time. Weighing just 3.9kg, the car seat attaches effortlessly to the Terrain chassis, creating a seamless travel system for smooth transitions between car and pushchair.
Finished with premium Heritage Collection fabrics, vegan leather accents and thoughtful details throughout, the Mountain Buggy Terrain Travel System is made for families who love to explore without compromising on comfort, style or safety.
Mountain Buggy Terrain V4 Pushchair
Mountain Buggy Nest R129 i-Size Car Seat & Base
We carefully select every product in our range for its superior safety, sustainability, and quality. All items are backed by a comprehensive manufacturer’s warranty for added peace of mind. In the unlikely event of a fault or failure, our Customer Service team will provide full support throughout any warranty claims process.
We provide a range of fast and efficient shipping services to ensure your products arrive on time and in perfect condition.
Some size/weight restrictions apply for certain regions. Full details at checkout.
Questions? Our friendly team is happy to help! For more details, check our delivery page.
Returns
We offer a 60-day returns policy. For full details, see our full returns policy.
Give your little one the very best start with the Mountain Buggy Nest R129 i-Size Car Seat & Base. Certified to the latest R129 i-Size safety standards, it offers extended rear-facing travel from 40-87cm (approximately birth to 20+ months), with thick EPP energy-absorbing foam and protection tested for front, rear, side impact and rollover. Designed to give parents complete confidence, every journey begins with trusted safety.
The included 180° rotating ISOFIX base makes getting your baby in and out of the car wonderfully easy. Simply rotate the seat towards you for stress-free harness fastening and lifting, while intuitive green and red installation indicators provide reassurance that everything is securely fitted. At just 3.9kg, the lightweight car seat also clicks seamlessly onto compatible Mountain Buggy pushchairs for uninterrupted adventures.
Thoughtful comfort features ensure the Nest supports your little one from their very first journey home. The removable newborn insert provides a cosy, secure fit, while the one-hand adjustable headrest and harness move together through eight height positions as your baby grows. Finished with soft quilted fabrics, an extendable canopy and an included UPF50+ blackout cover, every ride is designed with comfort in mind.
Get hands-on with our most-loved pushchairs — with expert help every step of the way
