William R. Mason Regional Park (Wilderness Area)
William R. Mason Regional Park (Wilderness Area)
William R. Mason Regional Park (Wilderness Area) is a 339-to-345-acre expanse in Irvine, California, featuring a diverse landscape that supports a range of outdoor activities. The park is divided by Culver Drive, with a 123-acre wilderness area on the eastern side characterized by rugged, scrub-covered hills and a small creek, while the western side offers more manicured green spaces and an artificial lake. This varied terrain provides opportunities for several sports like hiking, mountain biking, road cycling, touring cycling, and…
112
Routes
4.9
(112)
Average rating
1851
People visited

6
hikers
4.19km
01:05
20m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

6
hikers
2.02km
00:31
10m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
1
hikers
4.44km
01:21
230m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

2
hikers
1.62km
00:25
0m
0m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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5.0
(2)
167
riders
18.1km
00:54
140m
140m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

5.0
(9)
238
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

4.4
(5)
179
riders
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

88
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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5.0
(3)
22
runners
16.2km
01:47
190m
190m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

14
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

9
runners
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.7
(3)
15
riders
16.4km
01:26
350m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(9)
63
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(1)
23
riders
30.9km
03:05
740m
740m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

4.7
(3)
28
riders
32.6km
03:14
720m
720m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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5.0
(1)
36
riders
29.3km
01:52
150m
150m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

4.8
(8)
44
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(6)
32
riders
21.6km
02:10
470m
470m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

29
riders
25.5km
02:47
650m
650m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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5.0
(1)
13
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
8
riders
33.6km
02:41
510m
510m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
6
riders
24.8km
01:53
460m
460m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
3
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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William R. Mason Regional Park (Wilderness Area) offers opportunities for hiking, mountain biking, road cycling, touring cycling, jogging, and gravel biking. The park features both paved and unpaved trails across its diverse landscape, catering to various outdoor enthusiasts.
The park provides a range of hiking trails, including paved paths for easy strolls and unpaved routes like the Sand Canyon Wash Trail and Turtle Rock Trail in the wilderness area. Trails are generally flat with some small hills, offering options from 1.0-mile loops to 4.3-mile routes with elevation gain. For more information, see Hiking in William R. Mason Regional Park (Wilderness Area).
Yes, the 123-acre wilderness area on the eastern side of the park features unpaved trails and scrub-covered terrain suitable for mountain biking. These varied landscapes, including rugged hills, can offer a more challenging ride. Consult the MTB Trails in William R. Mason Regional Park (Wilderness Area) guide for specific routes.
The park features concrete hiking and biking trails throughout, making it suitable for road and touring cycling. The University Trail is a popular paved route, and cyclists can connect to other paths like the San Diego Creek Trail. The park's relatively flat terrain is ideal for family bike rides. More details are in Road Cycling Routes in William R. Mason Regional Park (Wilderness Area).
Dogs are permitted on trails within William R. Mason Regional Park (Wilderness Area) provided they are kept on a leash. This allows visitors to enjoy the park's natural beauty with their canine companions. For specific routes, refer to Dog-friendly hikes in William R. Mason Regional Park (Wilderness Area).
Yes, the park offers easy, paved paths on its western side, ideal for leisurely strolls and family outings. These routes are suitable for all fitness levels and provide a relaxed outdoor experience. Explore Family-friendly hikes in William R. Mason Regional Park (Wilderness Area) for suitable options.
The park is divided by Culver Drive, with a 123-acre wilderness area featuring rugged, scrub-covered hills and a small creek. The western side includes a 9-acre artificial lake, popular for model boat sailing and bird spotting. Scenic views of the Santa Ana Mountains are also available from spots like French Hill.
William R. Mason Regional Park (Wilderness Area) is a popular destination on komoot, with more than 29,000 visitors sharing their experiences. The routes in the park have an average rating of 4.7 out of 5 stars, indicating high satisfaction among users.
Komoot offers several guides for the park, including Hiking in William R. Mason Regional Park (Wilderness Area), MTB Trails in William R. Mason Regional Park (Wilderness Area), and Road Cycling Routes in William R. Mason Regional Park (Wilderness Area). Other guides cover easy, family-friendly, and dog-friendly hikes, as well as running trails.
The official website for William R. Mason Regional Park is ocparks.com/parks-trails/william-r-mason-regional-park. For direct inquiries, the park's phone number is +1-949-923-2220.
William R. Mason Regional Park (Wilderness Area) spans approximately 339 to 345 acres. This includes a 123-acre wilderness area on its eastern side, providing a substantial natural space for various activities.
Yes, the park offers trails suitable for jogging and running. Both paved and unpaved options are available, providing varied terrain for different preferences. The Running Trails in William R. Mason Regional Park (Wilderness Area) guide provides specific routes.

