Portal Forebay to Mono Hot Springs via Kaiser Pass Road

The best time to cycle this route is typically from late May through mid-November. Kaiser Pass Road is usually closed during winter months due to heavy snow. Late June and early July are particularly good for experiencing wildflowers at this high altitude.

The first 5 miles from Highway 168 are generally a smooth, two-lane highway with moderate climbing. However, the character of the road changes significantly for the subsequent 12 miles towards Mono Hot Springs. This section of Kaiser Pass Road becomes much narrower, often single-lane, winding, and exposed, with steep gradients reaching up to 12%. Cyclists should expect potholes and a rougher, sometimes sketchy, paved surface. Some segments may even be unpaved and difficult to ride, potentially requiring you to push your bike.

While rated as 'moderate' overall, this route is quite challenging and requires good to very good fitness. The significant elevation gain, steep gradients, narrow and winding roads, and varying road surfaces contribute to its difficulty. The 'Climb to Kaiser' is renowned as one of America's hardest rides, and this route covers a substantial portion of it.

Generally, there are no specific cycling permits required for this route itself. However, as this trail is located within the Sierra National Forest, it's always wise to check the official U.S. Forest Service website for any current regulations, fire restrictions, or potential fees for specific recreational activities or camping if you plan to extend your stay.

You can typically find parking near Portal Forebay & Campground, which serves as the starting point for this route. It's advisable to arrive early, especially during peak season, as parking can be limited.

You'll be treated to stunning high-alpine scenery, winding through pine forests and granite peaks. Expect breathtaking views of pristine alpine lakes and lush meadows. As you ascend Kaiser Pass Road, expansive vistas open up, stretching from the backside of Yosemite to the Minarets Area and the 'Range of Light' in the Ansel Adams and John Muir Wildernesses. The unburned forests along the road are also a notable feature.

Dogs are generally allowed on trails and in recreation areas within the Sierra National Forest, but they must be kept on a leash. Always ensure your dog is under control and that you pack out any waste. Be aware that this is bear country, so take appropriate precautions for food storage and wildlife encounters.

Key points of interest include the starting point at Portal Forebay & Campground, the challenging climb over Kaiser Pass Road, and the destination of Mono Hot Springs. Mono Hot Springs offers over a dozen natural hot springs, a campground, a resort, and a general store, making it a unique and relaxing stop after your ride.

Yes, a portion of this route, approximately 8%, overlaps with the Mono Hot Springs Trail. This can offer opportunities for further exploration if you choose to venture off the main road.

At Mono Hot Springs, you'll find a resort with lodging, a general store, and a campground. These amenities can be very welcome after a strenuous ride. There are limited services directly along Kaiser Pass Road itself, so it's essential to be self-sufficient with water and supplies.

Beyond the steep climbs and high elevation, cyclists should be prepared for narrow, winding sections of road, some with cliff edges, and varying road conditions including potholes and potentially unpaved segments. The road's character changes significantly after the first 5 miles, becoming more demanding. Always be aware of vehicle traffic, as it's a shared road.