Sure! Here's your 21-night itinerary starting in Vancouver and ending in Toronto, with the same maximum 4-hour driving per day limit, incorporating hiking opportunities, and including Whistler, Banff, Kelowna, Blue Mountains, and Sudbury. The driving times are kept manageable, and you'll be able to explore some of the most beautiful natural areas along the way.

Day 1: VancouverMorning: Take the Grouse Grind or the gondola up Grouse Mountain for incredible views.
Afternoon: Explore Kitsilano Beach or walk through Vancouver’s Botanic Gardens.
Evening: Enjoy dinner in Gastown, a historic neighborhood, and stay overnight in Vancouver.

Day 2: VancouverMorning: Take the ferry to Victoria Islad 
Explore utchardt Gardes xo

Day 3: Vancouver to WhistlerDriving Time: ~2 hours
Morning: Drive from Vancouver to Whistler via the scenic Sea-to-Sky Highway.
Afternoon: Explore Whistler Village and take the Peak 2 Peak Gondola for stunning mountain views.
Evening: Stay overnight in Whistler.

Day 4: Whistler (Day 2)Morning: Hike the Garibaldi Lake Trail (moderate, 9 km one-way).
Afternoon: Relax in Whistler Village or hike around Lost Lake (easy, 5.5 km loop).
Evening: Stay overnight in Whistler.

Day 5: Whistler (Day 3)Morning: Take a short hike to Joffre Lakes (7.5 km, moderate).
Afternoon: Explore more of the village or visit Scandinave Spa Whistler for relaxation.
Evening: Enjoy dinner at Araxi Restaurant or The Bearfoot Bistro. Stay overnight in Whistler.

Day 6: Whistler to KamloopsDriving Time: ~4 hours
Morning: Drive from Whistler to Kamloops.
Afternoon: Hike in Kenna Cartwright Nature Park, which offers panoramic views of Kamloops and the surrounding valley.
Evening: Stay overnight in Kamloops.

Day 7: Kamloops to KelownaDriving Time: ~2.5 hours
Morning: Drive from Kamloops to Kelowna.
Afternoon: Explore Knox Mountain Park, with hiking trails and views of Okanagan Lake.
Visit the Waterfront Park or take a walk along the Okanagan Lake Trail.
Evening: Stay overnight in Kelowna.

Day 8: KelownaMorning: Explore the Mission Creek Greenway or take a hike at Myra Canyon for stunning views.
Afternoon: Visit a local winery for a tour and wine tasting.
Evening: Enjoy dinner by the lake and stay overnight in Kelowna.

Day 9: Kelowna to BanffDriving Time: ~5 hours
Morning: Drive from Kelowna to Banff, making stops for scenic views along the way.
Afternoon: Arrive in Banff. Explore Banff Avenue, and visit Bow Falls.
Optionally, visit the Banff Park Museum or take a walk around Banff Town.
Evening: Stay overnight in Banff.

Day 10: Banff (Day 2)Morning: Hike Lake Louise.
Take the Lake Louise Lakeshore Trail (easy, 3.4 km) or the more challenging Lake Agnes Tea House Trail (7 km).
Afternoon: Visit Moraine Lake for a hike to Consolation Lakes (3.8 km round-trip).
Evening: Stay overnight in Banff.

Day 11: Banff (Day 3)Morning: Hike Johnston Canyon to Lower and Upper Falls (3.4 km, easy).
Afternoon: Take the Banff Gondola to Sulphur Mountain for breathtaking views.
Evening: Relax in the Banff Upper Hot Springs and stay overnight in Banff.

Day 12: Banff to CalgaryDriving Time: ~1.5 hours
Morning: Drive from Banff to Calgary.
Afternoon: Visit Prince Island Park for a peaceful walk along the Bow River.
Visit the Calgary Tower for panoramic views of the city and surrounding mountains.
Evening: Stay overnight in Calgary.

Day 13: Calgary to ReginaDriving Time: ~3.5 hours
Morning: Drive from Calgary to Regina.
Afternoon: Explore Wascana Centre, enjoy a hike around Wascana Lake.
Visit the Royal Saskatchewan Museum or Saskatchewan Science Centre.
Evening: Stay overnight in Regina.

Day 14: Regina to WinnipegDriving Time: ~6 hours (slightly longer but manageable with breaks)
Morning: Drive from Regina to Winnipeg.
Afternoon: Explore Assiniboine Forest, a peaceful area with trails perfect for hiking.
Visit The Forks, a cultural and historical market, and take a walk along the river.
Evening: Stay overnight in Winnipeg.

Day 15: Winnipeg to Sault Ste. MarieDriving Time: ~6 hours (longer drive, but manageable with stops)
Morning: Depart from Winnipeg and head towards Sault Ste. Marie.
Afternoon: Explore Batchawana Bay Provincial Park for a scenic lakeside hike.
Visit the Soo Locks and walk along the St. Mary’s River.
Evening: Stay overnight in Sault Ste. Marie.

Day 16: Sault Ste. Marie to SudburyDriving Time: ~3.5 hours
Morning: Drive from Sault Ste. Marie to Sudbury.
Afternoon: Explore Lake Laurentian Conservation Area for a relaxing hike.
Visit the Big Nickel and Dynamic Earth Museum.
Evening: Stay overnight in Sudbury.

Day 17: Sudbury to Blue MountainsDriving Time: ~3.5 hours
Morning: Drive from Sudbury to Blue Mountains.
Afternoon: Explore Bruce Trail or take a hike at Scenic Caves Nature Adventures for great views of the Niagara Escarpment and Georgian Bay.
Evening: Stay overnight in Blue Mountains.

Day 18: Blue MountainsMorning: Hike Lookout Trail at Scenic Caves Nature Adventures.
Afternoon: Visit Wasaga Beach Provincial Park or explore Bayview Escarpment for more scenic hiking.
Evening: Stay another night in Blue Mountains.

Day 19: Blue Mountains to TorontoDriving Time: ~2 hours
Morning: Drive from Blue Mountains to Toronto.
Afternoon: Explore High Park or walk along Toronto's Harbourfront.
Visit The Royal Ontario Museum (ROM) or Toronto Islands.
Evening: Stay overnight in Toronto.

Day 20: TorontoMorning: Explore CN Tower and walk through St. Lawrence Market.
Afternoon: Visit Ripley’s Aquarium of Canada or explore Kensington Market.
Evening: Dinner at a top Toronto restaurant such as Alo Restaurant or The Drake Hotel. Stay overnight in Toronto.

Day 21: TorontoMorning: Visit Casa Loma or explore Art Gallery of Ontario.
Afternoon: Take a walk or bike ride through Don Valley Trails or Queen’s Park.
Evening: Enjoy a final dinner in Toronto before concluding your trip.

This reverse itinerary follows the same structure and highlights but starts in Vancouver and moves east toward Toronto, including Whistler, Banff, Kelowna, Blue Mountains, and more, with scenic stops and hikes along the way. You'll get a fantastic overview of Canada’s diverse landscapes and enjoy plenty of time to explore each destination.

It sounds like you’re planning a road trip from Kelowna to Prince Rupert with an option to drive for around 4 hours per day, and a 3-night stay in Prince Rupert. Below is a suggested driving itinerary that incorporates scenic routes, places to stop, and makes the most of your time in Prince Rupert, with a relatively relaxed pace.

Day 1: Kelowna to Kamloops (190 miles, ~3 hours)

• Morning: Start your journey from Kelowna and head north on Highway 97. The drive will take you through some of the beautiful scenery of British Columbia's wine country and the Okanagan Valley.
• Lunch/Explore Kamloops: Kamloops is a great spot to stretch your legs and grab lunch. You can visit Riverside Park or Kamloops Lake for a bit of fresh air and enjoy the city views.
• Explore Kamloops: Spend some time walking around Kamloops, visiting the local shops or museums. If you're interested in history, check out the Kamloops Heritage Railway or the Kamloops Museum and Archives.
• Overnight: Stay in Kamloops for the night.

Day 2: Kamloops to Prince George (280 miles, ~4.5 hours)

• Morning: From Kamloops, continue your journey on Highway 97 North toward Prince George. This will take you through the beautiful Fraser Valley and the start of the Cariboo region, famous for its gold rush history.
• Lunch/Explore Quesnel: On the way, stop in Quesnel, a small town with a rich history. Take a break at Quesnel River or grab lunch at one of the local diners. If you have time, you can also check out the Quesnel & District Museum and Archives.
• Evening in Prince George: Arrive in Prince George and explore a bit of the town. Visit the Fort George Park or the Huble Homestead Historic Site for a taste of local history.
• Overnight: Stay in Prince George.

Day 3: Prince George to Prince Rupert (320 miles, ~5.5 hours)

• Morning: Begin your drive from Prince George to Prince Rupert, driving through Highway 16 (also known as the Yellowhead Highway), which takes you through picturesque landscapes, including forests, rivers, and lakes.
• Lunch/Stop in Burns Lake: You can stop in Burns Lake for a brief break or lunch. The town has a few parks and local shops to explore for a few minutes. If you have time, head over to Burns Lake Village Park.
• Afternoon: Continue your drive toward Prince Rupert, taking in the scenery along the way. You’ll begin to notice more coastal landscapes as you approach the coast.
• Evening: Arrive in Prince Rupert and relax after your journey. Prince Rupert is known for its proximity to the wild beauty of the Pacific coast, and there are some great views as you approach the city.
• Overnight: Stay in Prince Rupert for the next 3 nights.

Day 4-6: Exploring Prince Rupert (3 nights)

• Day 4: Explore the City
  
  • Visit the North Pacific Cannery: One of the oldest and most complete canneries on the west coast, offering a glimpse into Prince Rupert’s history.
  • Explore Museum of Northern British Columbia: This museum features indigenous art and historical artifacts from the northern region.
  • Walk around Cow Bay: This waterfront area has unique shops, galleries, and cafes, perfect for a leisurely day of exploring.
  • Overnight: Stay in Prince Rupert.
• Day 5: Outdoor Activities
  
  • Grizzly Bear Viewing Tour: One of the highlights of Prince Rupert is the opportunity to go on a bear-watching tour. These are typically boat tours that take you into the wilderness to see grizzly bears fishing and roaming the coastal areas.
  • Kayaking or Whale Watching: Prince Rupert is an excellent location for kayaking, or you can take a whale-watching tour to see orcas, humpback whales, and other marine life.
  • Explore Butze Rapids Trail: This is a beautiful and moderate 3-mile (4.8 km) hike that takes you along the coast with views of the surrounding wilderness and ocean.
  • Overnight: Stay in Prince Rupert.
• Day 6: Day Trip to Kaien Island & Surroundings
  
  • Visit Kaien Island: Explore the area around Prince Rupert. Take a ferry to Kaien Island or spend time hiking and seeing the local nature.
  • Check out Pioneer Village and the historic Port Edward area, which has some lovely walking trails and historic buildings to visit.
  • Overnight: Stay in Prince Rupert.

Day 7: Prince Rupert to Terrace (100 miles, ~1.5 hours)

• Morning: On your way back south, head to Terrace, a charming town that sits at the junction of the Skeena and Copper Rivers.
• Explore Terrace: Terrace is known for its beautiful rivers, mountains, and outdoor opportunities. Take a walk around Lakelse Lake or explore Terrace Mountain if you're up for a short hike.
• Lunch: Grab a bite at one of the local eateries in Terrace.
• Overnight: Stay in Terrace.

Day 8: Terrace to Kelowna (330 miles, ~5.5 hours)

• Morning: On your final day of the road trip, begin your drive back toward Kelowna, following Highway 97 South through scenic northern British Columbia.
• Lunch/Explore: Depending on your timing, stop at Prince George or other smaller towns along the way for lunch and to stretch your legs.
• Evening: Arrive back in Kelowna after a memorable road trip.
• Overnight: Stay in Kelowna or complete your trip with some relaxing time at home.

Summary of Itinerary:

1. Day 1: Kelowna to Kamloops (~3 hours)
2. Day 2: Kamloops to Prince George (~4.5 hours)
3. Day 3: Prince George to Prince Rupert (~5.5 hours)
4. Day 4-6: Prince Rupert exploration (3 nights)
5. Day 7: Prince Rupert to Terrace (~1.5 hours)
6. Day 8: Terrace to Kelowna (~5.5 hours)

This itinerary allows for leisurely drives (around 4 hours a day), gives you time to explore key spots along the way, and ensures you get the most out of your 3-night stay in Prince Rupert. Let me know if you'd like any modifications or more details!