Johnson Ranch and Irish Hills Loop

Parking is available at the trailheads for both Johnson Ranch Open Space and Irish Hills Natural Reserve. Specific parking details are usually well-marked at these access points in San Luis Obispo.

Yes, dogs are allowed on the trail, but they must be kept on a leash at all times. Please be mindful of other hikers and mountain bikers.

Spring is ideal, as the hills are vibrant with green grass and wildflowers like poppies. However, be aware that the trail can be warmer than the city in summer with little shade, and prone to sticky mud after heavy winter rains. Fall and early winter can also offer pleasant conditions.

No, there are typically no permits or entrance fees required to access the Johnson Ranch Open Space or Irish Hills Natural Reserve.

The trail primarily consists of single-file dirt paths and some uneven sections, with occasional dirt easement roads. You'll encounter frequent ups and downs, but none are typically strenuous. Some parts may involve packed dirt, rocks, and switchbacks.

You'll experience varied and beautiful scenery, traversing grassy slopes and oak-covered ridges. Expect expansive views across San Luis Obispo and the Edna Valley, with notable viewpoints looking towards Cerro San Luis, the South Hills, and Islay Hill, all backed by the Santa Lucia Mountains. There are also sweeping views over Johnson Ranch as you ascend.

Yes, the loop connects two significant open spaces, Johnson Ranch Open Space and Irish Hills Natural Reserve. Along the way, you might spot original ranch structures, including old barns. Birdwatchers can look for hawks, wild turkeys, and various songbirds, especially around Forbes Pond, an old gravel quarry that attracts red-winged blackbirds and black-crowned night herons. Don't miss the Filipponi Trail - Views of the valley for panoramic vistas.

While individual segments can be easy, the overall loop is considered moderate due to its length (15.8 km) and frequent ups and downs. Beginners with a reasonable level of fitness should be able to complete it, but be prepared for a sustained effort.

Yes, the route also passes through sections of the Johnson Ranch Loop, Pond Loop, Johnson Ranch Connector, Filipponi Trail, Old Prospector, Chutes and Ladders, Froom Creek Trail, Mine Loop, and Froom Connector.

Given the moderate difficulty and potential for sun exposure, we recommend bringing plenty of water, sun protection (hat, sunscreen), and sturdy hiking shoes. Layers are also advisable as temperatures can change throughout the day.

While the full loop is moderate, some individual segments within Johnson Ranch Open Space or Irish Hills Natural Reserve are shorter and less strenuous, making them more suitable for families with younger children. You can explore these areas as out-and-back options.