Absolutely, I'd love to help you plan your 7-day trip to Switzerland with a focus on parks and green spaces. Here's a delightful itinerary for you:

Day 1: Arrival in Zurich

• Start your trip in Zurich, Switzerland's largest city. Spend the day exploring the beautiful parks like Zurich Botanical Garden and the lakeside promenade.
• Visit the Old Town (Altstadt) for its charming streets and historic buildings.
• Enjoy a relaxing evening by Lake Zurich.

Day 2: Lucerne

• Take a scenic train ride to Lucerne, a picturesque city surrounded by mountains and lakes.
• Visit the famous Chapel Bridge and Water Tower, then head to the tranquil Glacier Garden.
• Spend the afternoon at the stunning Mount Pilatus or take a boat cruise on Lake Lucerne.

Day 3: Interlaken

• Travel to Interlaken, a paradise for nature lovers nestled between Lake Thun and Lake Brienz.
• Explore the lush greenery of Jungfrau Park and stroll along the Aare River.
• Take a cable car ride to Harder Kulm for panoramic views of the Swiss Alps.

Day 4: Lauterbrunnen Valley

• Visit the enchanting Lauterbrunnen Valley, known for its 72 waterfalls and verdant meadows.
• Hike or take a cable car to the stunning Staubbach Falls and explore the charming village of Wengen.
• Relax in the peaceful Trümmelbach Falls, a series of impressive underground waterfalls.

Day 5: Zermatt

• Travel to Zermatt, a car-free village at the foot of the iconic Matterhorn mountain.
• Explore the lush meadows and forests surrounding Zermatt on a scenic hike.
• Visit the Gornergrat Railway for breathtaking views of the Matterhorn and surrounding peaks.

Day 6: Geneva

• Head to Geneva, a cosmopolitan city known for its stunning parks and gardens.
• Spend the morning at Parc des Bastions and Parc La Grange, then visit the iconic Jet d'Eau fountain on Lake Geneva.
• Explore the Old Town and enjoy a leisurely stroll along the lakeside promenade.

Day 7: Lausanne

• End your trip in Lausanne, a vibrant city overlooking Lake Geneva.
• Visit the beautiful Olympic Park and stroll through the lush greenery of Parc de l'Hermitage.
• Explore the charming Old Town and enjoy a relaxing afternoon by the lake before departing.

I hope this itinerary gives you a wonderful mix of nature, parks, and green spaces during your week in Switzerland. Enjoy your trip!