Lake Jennings Park is a working campground in Lakeside where you can actually bring your dog along for a multi-day trip, not just a day visit. The park sits along a 165-acre lake with enough space that you won’t feel cramped even during busier seasons. Campsites range from full hookup spots if you’re bringing an RV to primitive tent sites tucked into the landscape, so you can choose based on how much comfort you want.

The draw here is really the flexibility. You get a genuine outdoor experience—hiking trails around the lake, opportunities to explore the shoreline, spots to just sit and watch the water—while still having access to basic facilities. If you’re camping with a group, there’s a dedicated group site with lake views that works well for coordinating with other dog owners.

One thing to note is that Lake Jennings stays open year-round, which is genuinely useful if you’re planning a winter camping trip. Southern California weather being what it is, you can camp here comfortably in seasons when most campgrounds in other regions would be closed. The park fills up faster during peak times, so planning ahead makes sense.

The surrounding area includes access to trails and the lake itself, which gives you and your dog actual things to do beyond just sitting at a campsite. Lakeside as a location puts you east of San Diego proper, so it’s less crowded than some closer-in alternatives but still accessible if you’re coming from the city.

Bring a reservation—this isn’t a first-come, first-served situation, and spots do book up. The park staff can walk you through what’s available and answer questions about current conditions on the trails or around the lake before you arrive.