Things to Do

Things to Do at Trione-Annadel State Park 

Trione-Annadel State Park offers a wide range of activities for outdoor enthusiasts. Below are the most popular trail routes and destinations to explore during your visit. 

TRAILS  

The park features 40+ miles of multi-use trails that are suitable for hiking, mountain biking, and horseback riding. Most of theseroutes are moderate in length and difficulty due to the topography and size of the park. Be alert for: poison oak, rattlesnakes, mountain lions, and ticks. 

If you go on your own, stop by the Visitor Center or the trail kiosk at the Warren Richardson parking lot to pick up a map of the trails, or check out our online park brochures: 

Park Brochure

Park Brochure--Spanish

 Some of the park’s most popular routes are: 

Channel Trail to Warren Richardson Parking Lot (Easy) 

  • 2.2 miles, 53ft elevation gain 
  • Visitor Center > Channel Trail > Warren Richardson Parking Lot > Channel Trail > Visitor Center 
  • This out and back trail starts at the Visitor Center and runs parallel to Channel Drive (paved road). About three quarters of the way on the trail, users must exit the trail and walk along Channel Drive for a short distance before returning to the trail.  

Canyon Trail to Spring Creek Trail Loop (Moderate) 

  • 7.4 miles, 629ft elevation gain 
  • Canyon Trail > Lake Trail > Spring Creek > beginning point on Canyon. 
  • This loop trail begins at the Canyon trailhead and connects to the Lake trail creating a loop around Lake Ilsanjo. From Lake Trail you can access Spring Creek Trail, which will drop you off at Canyon.  

Central Annadel Loop Trail (Moderate) 

  • 5.3 miles, 757ft elevation gain 
  • North Burma Trailhead > Live Oak Trail > Rough Go Trail > Canyon Trail > Warren Richardson > Steve “S” Trail > Channel Trail > beginning point at N. Burma 
  • This loop begins at the North Burma Trailhead and climbs steeply before connecting to the Live Oak Trail. From there, you’ll descend into a small valley where Lake Ilsanjo comes into view. The route continues along Live Oak, then connects to Rough Go Trail and eventually Canyon Trail, forming a loop around the lake. To complete the loop, take the Warren Richardson Trail, connect to the Steve “S” Trail, and follow it back down to Channel Trail, which leads you to your starting point at North Burma. 

Orchard Trail and Cobblestone Trail (Moderate) 

  • 4.6 miles, 705ft elevation gain 
  • Cobblestone Trail/parking lot > Orchard Trail Loop > Rough Go Trail > Cobblestone Trail/parking lot 
  • This 4.6-mile loop starts at the Cobblestone Trailhead, follows the Orchard Trail down to the Rough Go trail and connects with the CobblestoneTrail to bring you back to your starting point. 
  • *There is a shorter (3.7mi) option.* Instead of following Orchard Trail to Rough Go, complete the Orchard Loop and get back on Cobblestone.  

Channel, North Burma, and Warren Richardson Loop (Moderate) 

  • 5.9 miles, 692ft 
  • Channel Trail > North Burma Trail > Warren Richardson Trail > Channel Trail  
  • This 5.9 mi loop trail begins on the Channel Trail near the Visitor Center, connects to the North Burma Trailhead, and eventually meets up with the Warren Richardson trail. 

North Loop Trail (Hard) 

  • 12.6 miles, 1,817ft elevation gain 
  • Cobblestone Trail > Orchard Loop Trail > Orchard Trail > Rough Go Trail > Canyon Trail > Marsh Trail > Ridge Trail >Marsh Trail > Two-Quarry Trail > Warren Richardson Trail > Channel Trail/Drive to the Cobblestone trailhead. 
  • This 12.6-mile loop is one of the more challenging routes in the park and typically takes about 5 hours and 30 minutes to complete. It starts at the Cobblestone Trailhead and connects with several other trails, guiding you along scenic ridgelines, through open meadows, and wooded areas. The loop eventually joins the Warren Richardson and Channel Trails before returning to the starting point. 

Lake Ilsanjo and Buick Meadow Loop via Canyon Trail (Hard) 

  • 13.1 miles, 1,666ft elevation gain 
  • Canyon Trail > Spring Creek Trail > Lake Trail > Warren Richardson Trail > South Burma Trail > Marsh Trail > Canyon Trail (return to starting point). 
  • This 13.1 mi loop takes you through the central third of Trione-Annadel State Park. The loop begins and ends on Canyon trail, and connects via several different trails, taking you past Lake Ilsanjo and Buick Meadow.  

 

FISHING 

Lake Ilsanjo is a 26-acre man-made lake located in the heart of the park. It was created by a former landowner, Joe Coney, who transformed the area into a private hunting and fishing retreat. Today, the lake is stocked with black bass and bluegill, making it a popular spot for anglers. Fishing is allowed with a valid California fishing license for anyone aged 16 or older. Please note that the lake is only accessible by trail. 

 

HORSEBACK RIDING

Equestrians are welcome on all designated multi-use trails/fire roads. Horses are not permitted on any pedestrian-only trails. Horse trailer parking is available at the Warren Richardson parking area near the end of Channel Drive. The staging area is complete with a horse-watering trough and a mounting ramp for those who may need it. There is also horse trailer parking, and a staging area located in Spring Lake Regional Park, which provides access to Trione-Annadel SP via the Canyon Trail.  

 

PICNIC AREAS & DAY USE 

Designated picnic areas are available throughout the park, offering scenic spots to relax and enjoy meals amidst nature.Trash receptacles are available at some but not all of the picnic areas, remember to pack it in, pack it out.  

Picnic areas/tables are located at:  

  • Visitor Center 
  • Channel Trail 
  • Warren Richardson Parking Lot 
  • Warren Richardson Trail (near Steve’s “S” Trail) 
  • South Burma Trail 
  • Canyon Trail (near Lake Ilsanjo) 
  • Spring Trail (near Lake Ilsanjo) 
  • Marsh Trail (near Ledson Marsh) 
  • Ridge Trail 
  • Schultz Trail 
  • Lawndale Trail 
  • Live Oak at Rough Go junction 

Please Note: Fires, camp stoves, and barbecues are not permitted in the park.