The 10 Steepest Roads in America - Really, RVers Be Prepared

Ready to take on some gnarly roads? We’re talking steep, heart-racing inclines that’ll make your RV adventures even more legendary.

Let’s hit up the top 10 steepest roads in the U.S., check out where they lead, and drop some savvy safety tips to keep your ride smooth.

1. Canton Avenue, Pittsburgh, PA

Grade: 37%
Destination: Get ready to tackle Canton Avenue, the steepest street in America. This beast of a road is smack in the middle of Pittsburgh, a city with mad history and cool vibes.
History & Scenery: Canton Avenue is a local legend, often featuring in bike challenges because, well, it’s crazy steep! The area’s a mix of old-school charm and lush green spots.
Traffic: Mostly chill, but watch for parked cars and tight squeezes.
Safety Tips: Pop it into low gear, keep your cool, and don’t fry those brakes. Make sure your stoppers are top-notch before you conquer this beast.

Watch this video on YouTube

2. Waipio Valley Road, Big Island, HI

Grade: 25-40%
Destination: Cruise down to Waipio Valley for epic waterfalls, lush jungles, and black sand beaches. It’s like paradise, but with a side of adrenaline.
History & Scenery: Known as the Valley of the Kings, this spot’s dripping in Hawaiian history. The views? Absolutely mind-blowing.
Traffic: Expect a mix of tourists and locals, plus some hikers and horseback riders.
Safety Tips: Only 4WD, folks! Your RV better be up for the challenge. Wet weather? Nah, better skip it.

A “Stop Here, Yield To Oncoming Vehicles” sign along a winding road in Waipio Valley, Big Island, Hawaii.

3. Eldred Street, Los Angeles, CA

Grade: 33%
Destination: Roll up to Highland Park and take in the sick views of downtown LA from Eldred Street. It’s a hidden gem with serious incline.
History & Scenery: This street’s got that laid-back residential vibe with killer cityscape views. Perfect for a quick Insta snap.
Traffic: Light but watch out for locals and parked cars.
Safety Tips: Use your engine brake and keep an eye out for pedestrians and cyclists.

4. Filbert Street, San Francisco, CA

Grade: 31.5%
Destination: Filbert Street takes you to the iconic Coit Tower with panoramic views of San Francisco Bay. Totally worth the climb!
History & Scenery: Filbert Street’s all about those classic San Fran vibes. Historic landmarks and stunning bay views? Yes, please!
Traffic: Packed with tourists, so brace for some stop-and-go action.
Safety Tips: Stick to low gear and avoid peak tourist times to keep your sanity intact.

5. 10th Street, Pittsburgh, PA

Grade: 32%
Destination: Cruise through 10th Street and land in the bustling Strip District with its awesome markets and foodie spots.
History & Scenery: Part of Pittsburgh’s urban heart, 10th Street connects you to a lively mix of historic buildings and local hotspots.
Traffic: Can get busy, so stay sharp.
Safety Tips: Keep a steady pace and don’t slam on the brakes. Make sure your RV’s ready for the incline.

6. Snake Alley, Burlington, IA

Grade: 21%
Destination: Head down Snake Alley, the “crookedest street in the world,” straight into charming downtown Burlington.
History & Scenery: Built to mimic European vineyard paths, this street’s got tight turns and scenic charm in spades.
Traffic: Light, but watch out for tight turns and tourists.
Safety Tips: Take it slow, keep it steady, and watch for oncoming traffic.

Watch this video on YouTube

7. 25th Street, San Pedro, CA

Grade: 33.3%
Destination: Roll down 25th Street to Point Fermin Park for stunning Pacific Ocean views.
History & Scenery: San Pedro’s an old-school port town with beautiful coastal vistas. Point Fermin Park is perfect for chillin’ with scenic overlooks.
Traffic: Light to moderate.
Safety Tips: Low gear all the way and avoid foggy days. Regular brake checks are a must.

8. Old Priest Grade, Groveland, CA

Grade: 17-20%
Destination: This road takes you to Yosemite National Park, one of America’s most epic natural wonders.
History & Scenery: Dating back to the Gold Rush, Old Priest Grade offers jaw-dropping views of the Sierra Nevada mountains.
Traffic: Light, but tourist season can get busy.
Safety Tips: Slow and steady wins the race. Use pull-outs to let faster traffic pass and consider the newer Priest Grade if you want an easier ride.

Watch this video on YouTube

9. Romero Canyon Road, Santa Barbara, CA

Grade: 20%
Destination: This road leads to rad hiking trails in the Santa Ynez Mountains.
History & Scenery: A local fave, Romero Canyon Road winds through stunning landscapes with breathtaking coastal views.
Traffic: Mostly locals and hikers.
Safety Tips: Avoid rainy days and make sure your RV’s tires are in mint condition.

10. Mason Street, San Francisco, CA

Grade: 29%
Destination: Mason Street guides you through iconic neighborhoods and drops you at Fisherman’s Wharf.
History & Scenery: This street cuts through historic districts with Victorian houses and landmarks like Lombard Street. Epic bay views, guaranteed.
Traffic: Heavy with tourists and locals, so plan ahead.
Safety Tips: Low gear, watch for pedestrians, and avoid peak hours if you can.

Tips for RVers Navigating Steep Roads

Check Your Brakes: Before tackling any steep road, make sure your brakes are in perfect working condition.
Use Low Gear: Engage a lower gear to help control your speed and save those brakes.
Plan Your Route: Know the road conditions ahead and have a backup plan if the gradient’s too gnarly.
Monitor Weather Conditions: Rain, snow, or ice can make steep roads sketchy. Avoid in bad weather.
Pack Light: The heavier your RV, the harder it is to navigate. Travel light when possible.
Practice Safe Driving: Keep a steady speed, avoid sudden stops, and stay aware of other drivers.

Traveling these steep roads can be an epic part of your RV adventure, offering stunning views and unforgettable destinations.

With the right prep and caution, you can safely conquer these challenging routes and make the most of your journey. BUT…you may just want to avoid these streets entirely!