Taylor Mountain Regional Park And Open Space Preserve
Taylor Mountain Regional Park And Open Space Preserve
4.9
(26)
681
hikers
3
hikes
Hiking in Taylor Mountain Regional Park And Open Space Preserve offers diverse landscapes, including sweeping grasslands, oak woodlands, and riparian areas along several creeks. The park features a prominent 1,400-foot summit providing expansive views of the Santa Rosa Plain and surrounding mountain ranges. Trails navigate through varied terrain, from shaded creek canyons to open hillsides. The park's ecosystems support a range of wildlife and plant communities, making it a varied environment for outdoor exploration.
Last updated: November 2, 2026
6
hikers
15.9km
04:22
260m
260m
Moderate hike. Good fitness required. Easily walkable paths.
2
hikers
2.51km
00:38
0m
0m
Embark on an easy hike along the Piner Creek Trail, a peaceful route that winds for 1.6 miles (2.5 km) through shady gravel paths. You will find yourself following the creek, with prominent views of the water offering a serene escape from the city. With a minimal elevation gain of just 10 feet (3 metres), this trail is perfect for a quick outing, taking approximately 37 minutes to complete.
Planning your visit to the Piner Creek Trail is straightforward, as the route is generally accessible and well-maintained. You can expect a smooth, hard-packed surface, with some sections even paved for ease of access. Parking is typically available near the trailhead, making it convenient to start your adventure. Consider visiting during off-peak hours for an even quieter experience.
This trail offers a wonderful opportunity to observe local wildlife, especially where Piner Creek meets Paulin Creek. Keep an eye out for mallard ducks, belted kingfishers, or even a river otter enjoying the water. The Piner Creek Trail also provides connections to other routes, such as the Santa Rosa Creek Trail, if you are looking to extend your hike into a longer journey.

5.0
(1)
18
hikers
13.1km
03:38
230m
230m
Moderate hike. Good fitness required. Easily walkable paths.
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The Warren Richardson Trail is a gravel and dirt path that begins at the main entrance on the eastern side of the park. It ascends to the summit of the main ridge, then gently descends to the scenic Lake Ilsanjo, located near the park's center. It's one of the most scenic trails the park offers.
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This trail consists of rocky terrain and features a gradual incline that guides you to Lake Ilsanjo. Along the path, you'll find a bench that provides a convenient spot for a brief pause, allowing you to take in the surrounding scenery.
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Get off the wide forest road onto the quieter hiking trails
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Lake Ilsanjo is a hidden gem in Annadel State Park: it's a small, quiet lake. There are many trails and even some swimming spots.
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Very pretty lake in the middle of Annadel State Park, great for a swim on a hot day. Access is best from Lake Trail with a small beach on the north-west side.
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Lake Ilsanjo is a hidden gem in Annadel State Park! There are lots of trails that take you up to the lake. It is also a great spot for a swim!
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Warren Richardson is an easy gravel road that takes you to the beautiful Lake Ilsanjo.
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Warren Richardson Trail is a gravel and dirt fireroad path in Annadel State Park leading from the main entrance and parking lots on the Park's eastern side to the height of the main ridge and then slightly down to beautiful Lake Ilsanjo near the middle of the park. There it connects with the Canyon Trail, the fireroad leading down on the western side and then north to the Santa Rosa Reservoir in Spring Lake Park.
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This guide highlights 3 distinct hiking routes in Taylor Mountain Regional Park that are conveniently accessible via public transport. These trails offer a range of experiences, from easy strolls to more moderate adventures.
Hiking in Taylor Mountain Regional Park offers a diverse landscape. You'll encounter sweeping grasslands, serene oak woodlands, and riparian areas along several creeks. From the higher points, expect panoramic views of the Santa Rosa Plain, distant peaks like Mount Saint Helena, and the Coast and Mayacamas Ranges. The park also serves as a vital wildlife corridor, so keep an eye out for local fauna.
Yes, there is an easy route perfect for families. The Piner Creek Trail is a shorter, relatively flat option that allows for a pleasant outing without significant elevation gain. The park also features accessible picnic sites and the Red Tail Play Area, designed for children.
Taylor Mountain Regional Park is generally dog-friendly, but specific rules may apply to certain areas or trails. It's always best to check the official Sonoma County Regional Parks website for the most current regulations regarding dogs on trails, including leash requirements, before you head out.
While specific historical points on the bus-accessible routes in this guide aren't detailed, the broader park area features interesting historical elements. For instance, some trails pass by the ruins of a historic hot springs resort, and the Barn Fork Trail weaves past a barn that is part of Taylor's ranching history. Exploring the park's wider network can reveal these hidden gems.
Spring and fall are generally considered the best times to hike in Taylor Mountain Regional Park. In spring, you can enjoy wildflowers and lush greenery, while fall offers cooler temperatures and pleasant conditions. Summers can be warm, so early morning or late afternoon hikes are recommended. Winters are typically mild, but trails can be muddy after rain.
Taylor Mountain Regional Park is conveniently located on the urban edge of Santa Rosa, making it accessible by public transport. Santa Rosa CityBus routes serve the vicinity of the park's entrances. It's advisable to check the latest Santa Rosa CityBus schedules and routes to plan your journey to the most suitable trailhead for your chosen hike.
Yes, for those seeking a more challenging experience, this guide includes moderate routes. The Bench with lake view – Rough-Go Trail loop from Montgomery Village offers a substantial distance and elevation gain, providing a good workout with rewarding views. Similarly, the Lake Ilsanjo – Warren Richardson Trail loop from Hwy 12 & Oakmont Dr is another moderate option with significant distance.
The area is highly rated by the komoot community, with an average score of 4.9 stars. Reviewers often praise the park's expansive panoramic views from the summit, the diverse ecosystems ranging from grasslands to oak woodlands, and the well-maintained trail system that caters to various fitness levels. Many appreciate its accessibility and natural beauty so close to the city.
Given the park's location on the urban edge of Santa Rosa, there are various dining options available in the surrounding neighborhoods. Depending on which bus stop you use to access the park, you'll find cafes, restaurants, and other amenities within a short distance in Santa Rosa. It's a good idea to check local listings for establishments near your specific entry point.
In spring, the weather in Taylor Mountain Regional Park can be variable. It's best to dress in layers so you can adjust to changing temperatures throughout your hike. Comfortable hiking shoes with good grip are essential, as trails can sometimes be uneven or muddy after rain. Sun protection, such as a hat and sunscreen, is also recommended, especially on more exposed sections of the trails.


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