Highlight (Segment) • Summit
Hiking
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Islay Hill Open Space is a prominent volcanic cone and summit located in San Luis Obispo, California, marking the southernmost and easternmost point of the iconic Nine Sisters, also known as the Morros. This chain of ancient volcanic peaks stretches across San Luis Obispo County, offering a unique geological landscape. Standing at 776 feet (236 meters) with a manageable elevation gain, Islay Hill is often described as more of a mound than a mountain, making it an accessible natural monument…
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July 23, 2020
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Nearby routes
Best routes near Islay Hill Open Space

9
hikers
4.09km
01:13
130m
130m
Embark on the Islay Hill Trail for an easy hike that spans 2.5 miles (4.1 km) with a total elevation gain of 412 feet (126 metres). This loop typically takes…

4
hikers
2.77km
00:49
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Distance 195 m
Uphill 40 m
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Max wind speed: 24.0 km/h
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Yes, Islay Hill Open Space is dog-friendly. Leashed dogs are welcome on all trails, making it a great spot to enjoy with your canine companion.
Parking is generally available on the residential streets near the trailhead, which is located at the end of Sweet Bay Lane in San Luis Obispo. As it's a residential area, please be mindful of local parking regulations and residents.
Yes, Islay Hill is considered family-friendly. While some sections can be steep, the hike is relatively short and rewarding. The unique climbing pole and cow statue at the summit often delight children, and the nearby Islay Hill Park offers additional recreational facilities like a basketball court and playground.
While the intro suggests visiting during sunrise or sunset for cooler temperatures and photography, the best time of year depends on your preference. Spring offers lush greenery and wildflowers, while fall provides pleasant hiking weather. Summer can be hot, so early mornings are recommended. The trails are also known to hold up well even after light rain, making it a viable option in wetter seasons.
The hike to Islay Hill summit is generally considered moderate. It's an out-and-back trail, typically 1.8 miles round trip with an elevation gain of about 550 feet (168 meters). While short, some sections can be steep with loose rocks, so sturdy footwear is advisable.
Yes, the summit features two distinctive landmarks. There's a ten-foot-tall wooden pole equipped with iron climbing pegs, offering an even higher vantage point for adventurous hikers. Additionally, a charming cow statue provides a unique and fun photo opportunity.
Islay Hill Open Space is located within San Luis Obispo, so there are numerous cafes, restaurants, pubs, and accommodation options available within a short driving distance. The city offers a wide range of choices to suit various preferences and budgets.
Given the potentially steep sections and loose rocks, sturdy hiking shoes or boots with good grip are highly recommended. Dress in layers, as temperatures can vary, especially if hiking early morning or late afternoon. Don't forget sun protection like a hat and sunscreen, and bring water.
The primary and most popular route to the summit of Islay Hill is an out-and-back trail. While there are various paths within the open space, a designated full loop trail around the entire hill to the summit is not explicitly described as the main route.
While the trailhead is in a residential area of San Luis Obispo, direct public transportation to the immediate trailhead at Sweet Bay Lane might be limited. It's advisable to check local San Luis Obispo Transit (SLO Transit) routes and schedules for the closest bus stops, which may require a walk to the trailhead.
As a natural open space, visitors might encounter various local wildlife, including birds of prey, smaller mammals like rabbits and squirrels, and reptiles. Keep an eye out for native plant species as well. Remember to observe wildlife from a distance and not disturb their natural habitat.
Islay Hill is often described as more of a mound than a mountain, making it one of the easier Morros to hike. With a summit at 776 feet and an elevation gain of 550 feet, it offers a rewarding experience without the extreme challenge of some of the taller peaks in the Nine Sisters chain.